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Roberta Oberti
Born in Milan in 1952, Roberta Oberti took her degree in chemistry (cum laude) in 1976 at the University of Pavia. After having taken advantage of a number of grants and temporary positions, she became first researcher in mineralogy at the university of Pavia from 1981 to 1984, and then CNR researcher (1984-1995) and senior researcher (1995-2001) at the CNR Centro di studio per la cristallochimica e la cristallografia, later the Pavia division of the CNR Istituto di geoscienze e georisorse (IGG). Since 2002, she is director of research at IGG-Pv. Acknowledgments and awards:
• Ugo Panichi award for young researchers, Società Italiana di Mineralogia e Petrologia,
• Hawley Medal, Mineralogical Association of Canada, MAC (1994) • Fellow, Mineralogical Society of America, MSA (1996) • Two new species of the amphibole supergroup are named after her: obertiite (1998) and • Plinius medal for excellence in mineralogy, SIMP (2007) • Corresponding member of the Accademia delle Scienze di Torino (2012) • Mario Mammi gold medal, Associazione Italiana di Cristallografia (2013) Society memberships and duties:
• Associazione Italiana di Cristallografia, AIC: president (2006-2008), past president (2009-
2011), vice-president (2003-2005), chair of the teaching commission (1997-1999), councilor (1994-1996), councilor and treasurer (1985-1990), member (since 1978) • Società Italiana di Mineralogia e Petrologia, SIMP: member (since 1980) • Gruppo Nazionale di Mineralogia, GNM: secretary (2000-2003), councilor (1998-2000), • Mineralogical Society of America, MSA: member of the mineralogy/petrology research grant committee (2011-2013), member of the committee on committees (2009), member of the nominating committee for fellows (2005-2007), member of the evaluation committee for the best paper award in the American Mineralogist (1998-2002), fellow (since 1996), member (since 1991) • European Crystallographic Association, ECA: Italian representative in the council (2009- • European Mineralogical Union, EMU: president (2008-2012), past president and commissioning editor of the EMU Notes in Mineralogy (2012-2016) • International Mineralogical Association, IMA: Italian representative (since 2011), member of the commission for the IMA medal for excellence in mineralogy (2008-2010) • International Union of Crystallography, IUCr: member of the commission on inorganic Other present or recent commitments:
• Chair of the CNR commission for the relations between CNR and IUCr (since 2008)
• Co-chair of the IMA subcommittee on amphibole nomenclature (since 2006)
• President of the Italian-Spanish commission for the 2010 MISCA Gold Medal • Member of the advisory board, Elements (2009-2012) • Guest editor of a special issue in the Mineralogical Magazine, focused on session • Guest editor of a special issue focused on amphiboles in the European Journal of • Co-editor of volume 67 of the Reviews in Mineralogy and Geochemistry: Amphiboles: Crystal Chemistry, Occurrence and Health Issues (2007) • Associate editor, American Mineralogist (1998-2001) Research grants/projects:
2009NHLC57, head of the CNR-IGG research unit: Structure, microstructures and cation ordering: a window on to geological processes and geomaterial properties 2007MBBAM9 Compositional and structural complexity in minerals: modulation, phase-transition, structural disorder, participant PRIN 2005049503 From mineral to materials: crystal-chemistry, microstructures, 2002 Geo-crystal-chemistry of trace elements, participant 1996-99 Experimental, microchemical and crystal structure investigations of trace element partitioning between amphiboles and mafic silicate melts; German-Italian project funded by the Deutsche Forschungsgemeinschaft to Steve Foley (Gottingen), Italian partner. Roberta Oberti has coordinated the CNR-DTA working group "Minerals and materials: from Nature to mankind (technology, environment, human health" (2005-2011) and the IGG working group "Integrating methodologies for a deeper knowledge of geological materials and processes, and of their impact on mankind and environment" (since 2011) While serving in scientific societies (see above) she has planned and/or organized a number of scientific meetings and summer school of relevance to Crystallography and Mineralogy, and contributed to plan 7 volumes of the EMU Notes in Mineralogy. During her carrier, she has contributed to organize a number of sessions in national and international scientific meetings, which always aimed at providing a chance to compare and integrate different methodologies and different expertise to solve research issues crossing boundaries among allied disciplines. Good examples are the organization of the 2008 SIMP-AIC meeting "Learning from the planet Earth: structures and models in Earth, materials and life sciences", of the short-course on amphibole co-organized in 2007 by MSA and the Accademia Nazionale dei Lincei (ANL), and more recently the two-days international symposium celebrating the centennial of X-ray diffraction held in 2012 at ANL. She also chaired the theme team "On the cutting edge of mineralogy and mineral physics" and convened the session "GEOLIFE-Geomaterials for environment, technology and human activities" at the 2013 Goldschmidt Conference: She is co-chairing the organizing committee of the first European crystallographic school "Reinforcing foundations to build the 2nd century of modern crystallography", to be held in Pavia in 2014 to celebrate the International Year of Crystallography. Roberta Oberti has co-authored 158 papers in JCR journals, 6 chapters in books, and 189 oral or poster contributions to scientific meetings, 15 of which were invited talks. Her H-index (WoS ISI-Thomson) is 29. Scientific interests and results
Roberta Oberti enjoyed to go a strongly interdisciplinary way, which started from small-
molecule crystallography and the pioneer steps of protein crystallography (in 1977 she
contributed to the first solution of a protein crystal-structure done in Italy, the myoglobin from
Aplysia Limacina) and ended to mineralogical crystallography and crystal-chemistry. During
her researches, she always paid a great attention to the development of new approaches
and methodologies and to how crystal-chemical results can provide innovative and relevant
information to allied disciplines.
The main efforts have been devoted to the following topics:
• Crystal-chemistry and systematics of various chemically and structurally complex mineral
groups: amphiboles, clinopyroxenes, garnets, staurolites, titanites, hellandites, arrojadites. The goal is to decipher the influence of cation and anion partitioning and ordering patterns on structure geometry and to model their mutual relations as well as those with bulk composition and P, T conditions of formation. • Improvement of SREF procedures to determine accurate site populations, and pioneering integration of SREF with other analytical (EMP, SIMS, LAM-ICP-MS) and spectroscopic techniques (mainly FTIR and XAFS) to obtain reliable long-range and short-range information. The final goal is to improve crystal-chemical models and provide sounder and more quantitative basis for computational studies of solid solutions. • Detection, quantification and crystal-chemistry of light, volatile and trace elements in minerals, with major improvements on the correct calculation and use of their partition coefficients. SREF proved to be fundamental to calibrate SIMS analyses for volatile and light elements, and SREF-based equations are now available to quantify OH and Li in amphiboles without doing SIMS analyses. Also, interpretation of partition coefficients in the light of SREF results provided innovative results for amphiboles, pyroxenes, titanites and olivines. • New procedures for classification and nomenclature of complex mineral groups (hellandites, arrojadites, amphiboles) which are tightly bonded to crystal-chemical features. The one developed for amphiboles and approved by IMA in 2012 is totally based on crystal-chemical results, mostly obtained in Pavia, and on the concept of dominance (introduced for arrojadites, and now used a standard for classification purposes). • Comparative crystallographic studies of the complex behaviour of amphiboles under high- T conditions (cation migration, thermal expansivity, phase transitions, deprotonation). • Crystal-chemical models of deprotonation processes in amphiboles. • Implications and applications of this knowledge to petrology and geochemistry, and to the use of geomaterials for technological, environmental and health issues Publications

Review chapters:

1)
OBERTI R. (2001) The diffraction experiment in the study of solid solutions: long range properties. EMU Notes in Mineralogy, vol. 3, 179-205. HAWTHORNE F.C., OBERTI R. (2007) Amphiboles: Crystal-chemistry. In: Amphiboles: Crystal Chemistry, Occurrence and Health Issues edito da F.C. Hawthorne, R. Oberti, G. Della Ventura e A. Mottana. Reviews in Mineralogy and Geochemistry, vol. 67, 1-54. DOI: 10.2138/rmg.2007.67.1. HAWTHORNE F.C., OBERTI R. (2007) Classification of the amphiboles. In: Amphiboles: Crystal Chemistry, Occurrence and Health Issues edito da F.C. Hawthorne, R. Oberti, G. Della Ventura e A. Mottana. Reviews in Mineralogy and Geochemistry, vol. 67, 55-88. DOI: 10.2138/rmg.2007.67.2. OBERTI R., DELLA VENTURA G., CÁMARA F. (2007) New amphibole compositions: natural and synthetic. In: Amphiboles: Crystal Chemistry, Occurrence and Health Issues edito da F.C. Hawthorne, R. Oberti, G. Della Ventura e A. Mottana. Reviews in Mineralogy and Geochemistry, vol. 67, 89-124. DOI: 10.2138/rmg.2007.67.3. OBERTI R., HAWTHORNE F.C., CANNILLO E., CÁMARA F. (2007) Long-range order in amphiboles. In: Amphiboles: Crystal Chemistry, Occurrence and Health Issues edito da F.C. Hawthorne, R. Oberti, G. Della Ventura e A. Mottana. Reviews in Mineralogy and Geochemistry, vol. 67, 125-172. DOI: 10.2138/rmg.2007.67.4. TIEPOLO M., VANNUCCI R. FOLEY S., OBERTI R., ZANETTI A. (2007) Trace-Element Partitioning Between Amphiboles and Silicate Melts. In: Amphiboles: Crystal Chemistry, Occurrence and Human Health edito da F.C. Hawthorne, R. Oberti, G. Della Ventura e A. Mottana. Reviews in Mineralogy and Geochemistry, vol. 67, 417-452. DOI: 10.2138/rmg.2007.67.11.
Papers in JCR journals (beyond those listed under 2-6 above):

1)
PIETRA S., BETTINETTI G.F., ALBINI A., FASANI E., OBERTI R. (1978) Photoreaction of 2-nitrophenazine 10-oxide with amines. Journal of the Chemical Society, Perkin II Trans., 185-189. UNGARETTI L., BOLOGNESI M., CANNILLO E., OBERTI R., ROSSI G. (1978) The crystal structure of met-myoglobin from Aplysia limacina at 5 Å resolution. Acta Crystallographica, B34, 3658-3662. OBERTI R., CODA A., INCOCCIA L., COMIN F. (1978) [1] benzo [4,5] oxepino [2,3-b] quinoxaline and [3] benzoxepino [1,2-b] quinoxaline: two previously unknown photoproducts from benzo [a] phenazine-7-oxide. Acta Crystallographica, B34, 1544-1548. OBERTI R., GANDOLFI R. (1978) 9,10 dichloro-8(2,4 dinitro phenyl)-5,8a,9,10,10a,10b hexahydro (8aα, 9α, 10α, 10aα, 10bß)-6H-cyclobuta [4,5] pyrazolo [3,2-a] isoquinoline, C19H16Cl2N4O4. Crystal Structure Communications, 7, 15-20. OBERTI R., GANDOLFI R. (1978) 9,10 carbonyl dioxy-8-phenyl-5, 8a, 9, 10, 10a, 10b hexahydro (8aα, 9aα, 10aα, 10bα)-6H-cyclobuta [4,5] pyrazolo [3,2-a] isoquinoline, C20H18N2O3. Crystal Structure Communications, 7, 21-26. DESIMONI G., RIGHETTI P., TACCONI G., OBERTI R. (1979) Heterodiene syntheses. Part 20: 4-arylidene-5-pyrazolones and ynamines: a (2+2) cycloaddition followed by electrocyclic ring opening, in competition with a (4+2) cycloaddition. The influence of the substituents on the intermediate. Journal of the Chemical Society, Perkin I, 856-861. RIGHETTI P., TACCONI G., CODA CORSICO PICCOLI A., PESENTI M.T., DESIMONI G., OBERTI R. (1979) Heterodiene syntheses-XXI: 1-acetyl-2-oxoindolin-3-ylidenaceto phenones and etoxyethyne: spirobicyclic intermediates in competition with (2+2) and (4+2) cycloadditions. Journal of the Chemical Society, Perkin I (1979), 863-868. BERNI R., MOZZARELLI A., ROSSI G.L., BOLOGNESI M., OBERTI R. (1979) Crystallographic symmetry and coenzyme binding properties of D-glyceraldehyde 3-phosphate dehydrogenase from the tail muscle of Palinurus Vulgaris. Journal of Biological Chemistry, 254, n. 16, 8004-8006. BOLOGNESI M., LIBERATORI J., OBERTI R., UNGARETTI L. (1979) Preliminary crystallographic data on Buffalo ß-lactoglobulin. Journal of Molecular Biology, 131, 411-413. OBERTI R., DOMENEGHETTI M.C., GANDOLFI R. (1979) 4-(4-chlorophenyl)- 4,4a-dihydro-1,3-diphenyl-1H-cyclohepta [e]-1,2,4- TACCONI G., LEONI M., RIGHETTI P., DESIMONI G., OBERTI R., COMIN F. (1979) Heterodiene syntheses-XXIII: Zwitterions as intermediates in the formation of Michael adducts or as stable products of the reactions between 2-oxoindolin-3-ylidene derivates with enamines or aminals. Journal of the Chemical Society, Perkin I, 2687-2695. DE MICHELI C., GANDOLFI R., OBERTI R. (1980) Syn-anti selectivity in cycloadditions. 6. Cycloadditions of benzonitrile oxide, 2-diazopropane and diphenylnitril-imines to polychloro-norbornadienes. Journal of Organic Chemistry, 45, 1209-1213. TACCONI G., DACREMA MAGGI L., ALBINI MARINONE F., RIGHETTI P., OBERTI R. (1980) Oxindole riarrangements, part 1. Conversion of ß-benzoyl-ß-oxindolylpropion-aldehydes into 3-aryl-3a,4,5,6a-tetrahydro- furo[2,3-b] furan-2-(3H)-ones. Journal of Chemical Research (S): 22-23, (M): 201-216. MARINONE ALBINI F., VITALI D., OBERTI R., CARAMELLA P. (1980) Activation of the syn face of an isoxazoline by a carbammate group. Journal of Chemical Research (S): 348, (M): 4355-4384. ALBINI A., BETTINETTI G.F., MINOLI G., OBERTI R. (1980) Heterapentalenes. The reaction of 5H-pyrazolo 1',2',2,3-1,2,3 triazolo [4,5-a] phenazin-4-ylium-5-ide and some of its derivatives with dimethyl acetylendi-carboxilate. Journal of Chemical Research (S): 404-405, (M): 4801-4809. BOLOGNESI M., NUNZI A., OBERTI R., POLIDORI P. (1981) An application of the theory of representations: the structure of 2-isopropoxy-5-isopropyl-3,7,8,10 tetramethyl- 5,10, dihydrobenzo-g- pteridin-4(3H)-one. Acta Crystallographica, B37, 2190-2193. CANNILLO E., OBERTI R., UNGARETTI L. (1981) "CORANF", un programma per il calcolo e la elaborazione di parametri chimici e geometrici degli anfiboli. Rendiconti SIMP, 37, 613-621. ALBINI A., FASANI E., OBERTI R. (1981) Photochemical benzylation of 1,4-dicyanonaphtalene; X-ray crystal structure of 6,11-diciano-5,11- methano-5,6,11,12- tetrahydrodibenzo [a,e] cyclo-octene. Journal of the Chemical Society, Chemical Communications, 50-51. ALBINI A., FASANI E., OBERTI R. (1982) The photochemical reaction between 1,4-dicyanonaphtalene and 8-methylbenzenes: electron transfer and formation of benzylic radicals. Tetrahedron, 38-8, 1027-1034. CANNILLO E., OBERTI R., UNGARETTI L. (1983) Phase extension and refinement by density modification in protein crystallography. Acta Crystallographica, A39, 68-74. MARINONE ALBINI F., OBERTI R., CARAMELLA P. (1983) The oximation of some 3-acyl indoles. A convenient entry to 3-acylaminoindoles. Journal of Chemical Research (S):4-5, (M): 147-171. OBERTI R., BERNABEI M.T., FORNI F., CAMERONI R., GALLI E. (1983) The structure of 7-chloro-4-ethyl-2,3,3a,4- tetrahydro-1H-pyrrolo [2,1-c] 1,2,4 benzothiadiazine-5,5-dioxide, C12H15ClN2O2S. Acta Crystallographica, C39, 1278-1280. OBERTI R., ALBINI A., FASANI E. (1983) The structure of a 1,3-oxazonine derivative obtained by photochemical addition of 6-cyano-phenanthridine N-oxide and 2,3- dimethyl-2-butene. Journal of Heterocyclic Chemistry, 20, 1007-1009. OBERTI R., MUNNO R., FORESTI E., KRAJEWSKY A. (1983) A crystal-chemical study on six fassaites from the Predazzo-Monzoni Area. Rendiconti SIMP, 38, 649-655. MELLINI M., OBERTI R., ROSSI G. (1983) Crystal chemistry and microstructures of pyroxenes and amphiboles in the coronas of the Bergen Arcs and of the Sognefiord Region, Western Norway. Periodico di Mineralogia, 52, 583-615. CANNILLO E., OBERTI R. (1983) Fast determination of the crystal-chemical composition of Pbca orthopyroxenes and P2/n clinopyroxenes by means of the measurement of the X-ray diffracted intensities of few reflections. Rendiconti SIMP, 39, 103-108. OBERTI R., BERNABEI M.T., FORNI F., CAMERONI R., GALLI E. (1984) Structure of (3aS)-7-chloro-4-(2-dimethyl-amino ethyl)-8-methly-2,3,3a,4- tetrahydro-1H-pyrrolo [2,1-c] 1,2,4 benzothiadiazine-5,5-dioxide, C15H22ClN3O2S. Acta Crystallographica, C40, 882-884. VEZZALINI G., OBERTI R. (1984): The crystal chemistry of gismondines: the non-existence of K-rich gismondines. Bulletin de Minéralogie, 107, 805-812. GRIFFIN W.L., MELLINI M., OBERTI R., ROSSI G. (1985) Evolution of coronas in Norwegian
anorthosites: re-evaluation based on crystal-chemistry and microstructures. Contributions to
Mineralogy and Petrology
, 91, 330-339. DOI: 10.1007/BF00374689.
CORSICO CODA A., DESIMONI G., PAPPALARDO M., RIGHETTI P.P., SENECI P.F., TACCONI G., OBERTI R. (1985) Copper(II) in organic synthesis. IV. Reaction of the copper(II) acetate complex of isatin-3-arylhydrazones with dimethylacetylenedicarboxylate. Tetrahedron, 41-12, 2545-2555. ARGENTINI M., WEINREICH R., OBERTI R., UNGARETTI L. (1986) Synthesis and crystal
structure of 3-deoxy-3-fluoro-1,2-5,6-di-O- isopropylidene-D-glucofuranose. Journal of Fluorine
Chemistry
, 32, 239-254. DOI: 10.1016/S0022-1139(00)80510-2.
BURDISSO M., GAMBA A., GANDOLFI R., OBERTI R. (1986) Site selectivity in the reaction
of tetracyanoethene with tetracyclo [5.3.2.0 2,10.0 3,6] dodeca-4,8,11-triene. A bordeline case
of homo-Dies-Alder reaction. Tetrahedron, 42-3, 923-936. DOI: 10.1016/S0040-
4020(01)87499-8.

ROSSI G., OBERTI R., SMITH D.C. (1986) The crystal structure of Lisetite, CaNa2Al4Si4O16. American Mineralogist, 71, 1378-1383. ROSSI G., OBERTI R., DAL NEGRO A., MOLIN G.M., MELLINI M. (1987) Residual electron
density at the M2 site in C2/c clinopyroxenes: relationships with bulk chemistry and
sub-solidus evolution. Physics and Chemistry of Minerals, 14, 514-520. DOI:
10.1007/BF00308286.
UNGARETTI L., OBERTI R., CANNILLO E. (1987) Crystal-chemical studies at differing P, T, X conditions: principles and perspectives in Earth Sciences. Atti Ticinensi di Scienze della Terra, 31, 142-155. BURDISSO M., GAMBA A., GANDOLFI R., OBERTI R. (1988): Steric effects vs. secondary orbital interactions in nitrone cycloadditions. Steric effects in cycloreversion of isoxazolidines. Tetrahedron, 44-12, 3735-3748. DOI: 10.1016/S0040-4020(01)86003-8. KRSTANOVIC I., CVETOVIC N., OBERTI R., KARANOVIC L.J. (1989) Structure of 17α-hydroxyprogesterone caproate, C27O4H40. Acta Crystallographica, C45, 478-480. ROSSI G., OBERTI R., SMITH D.C. (1989) The crystal structure of a K-poor Ca-rich silicate with the nepheline framework, and crystal-chemical relationships in the compositional space (K-Na-Ca- )8Al8Si8O32. European Journal of Mineralogy, 1, 59-70. OBERTI R., CAPORUSCIO F.A. (1991) Crystal-chemistry of clinopyroxenes from mantle eclogites: a study of the key-role of the M2 site population by means of crystal-structure refinement. American Mineralogist, 76, 1141-1152. OBERTI R., SMITH D.C., ROSSI G., CAUCIA F. (1991): The crystal-chemistry of high-aluminium titanites. European Journal of Mineralogy, 3, 777-792. SANTOYO GONZALES F., GIMENEZ MARTINEZ, J.J., ISAC GARCIA J., LOPEZ APARICIO F.J., ROBLES DIAZ, R., RODRIGUEZ GALLEGO M., OBERTI R., UNGARETTI L. (1991) Use of L-methyl cyanoacetate in the synthesis of chiral 3-deoxy-5-thiopentopyranoses branched at C-3. Journal of Chemical Research, (S) 14-15, (M) 240-254. BURDISSO M., GANDOLFI R., TOMA L., OBERTI R. (1991) Hexafluorisopropanol as a suitable solvent for rearrangements via zwitterionic intermediates. Tetrahedron, 47, 6725-6736. DOI: 10.1016/S0040-4020(01)82324-3. OBERTI R., UNGARETTI L., CANNILLO E., HAWTHORNE F.C. (1992) The behaviour of Ti in amphiboles: I. Four- and six-coordinated Ti in richterites. European Journal of Mineralogy, 4, 425-439. HAWTHORNE F.C., OBERTI R., UNGARETTI L., GRICE J.D. (1992) Leakeite, NaNa2(Mg2Fe3+2Li)Si8O22(OH)2, a new alkali amphibole from the Kajlidongri Manganese Mine, Jhabua District, Madhya Pradesh, India. American Mineralogist, 77, 1112-1115. OBERTI R., HAWTHORNE F.C., UNGARETTI L., CANNILLO E. (1993) The behaviour of Mn in amphiboles: Mn in richterite. European Journal of Mineralogy, 5, 43-51. HAY R.W., PEROTTI A., OBERTI R., UNGARETTI L. (1993) Metal complexes of N,N'-bis(2-carbamoylethylethylendiamine (H2L) and N,N,N',N'-tetrakis(2-carbamoylethyl)ethylen diamine. Formation constant measurements and the crystal structure of [Ni(HL)]3OH(ClO4)2. Transition Metal Chemistry, 18, 570-572. HAWTHORNE F.C., UNGARETTI L., OBERTI R., CAUCIA F., CALLEGARI A. (1993) The crystal-chemistry of staurolites. I: Crystal structure and site populations. Canadian Mineralogist, 31, 551-582. HAWTHORNE F.C., UNGARETTI L., OBERTI R., CAUCIA F., CALLEGARI A. (1993) The crystal-chemistry of staurolites. II: Order-disorder and the monoclinic ↔ orthorhombic phase transition. Canadian Mineralogist, 31, 583-596. HAWTHORNE F.C., UNGARETTI L., OBERTI R., CAUCIA F., CALLEGARI A. (1993) The crystal-chemistry of staurolites. III: Local order and chemical composition. Canadian Mineralogist, 31, 597-616. HAWTHORNE F.C., UNGARETTI L., OBERTI R., BOTTAZZI P., CZAMANSKE G. K. (1993) Li: an important component in igneous alkali amphiboles. American Mineralogist, 78, 733-745. OBERTI R., UNGARETTI L., CANNILLO E., HAWTHORNE F.C. (1993) The mechanism of Cl incorporation in amphibole. American Mineralogist, 78, 746-752. FRANCESCHI G., BEDESCHI A., RIZZO V., VIGEVANI A., OBERTI R. (1993): Structural
studies of ritipenem acoxyl (FCE 22891). X-ray crystal structure and chiroptical properties.
Bioorganic and Medicinal Chemistry Letters, 3-11, 2333-2336. DOI: 10.1016/S0960-
894X(01)80950-1.

OBERTI R., UNGARETTI L., TLILI A., SMITH D.C., ROBERT J.-L. (1993) The crystal structure of preiswerkite. American Mineralogist, 78, 1290-1298. GAMBA A., GANDOLFI R., OBERTI R., SARDONE N. (1993) Periselectivity in the reactions
of cyclopentadienones with 8-aryl-8-azaheptafulvenes. Tetrahedron, 49, 6331-6348. DOI:
10.1016/S0040-4020(01)87969-2.
SARDONE N., OBERTI R. (1993) Structure of Dimethyl 2-[o-(3,5-Dimethyl-1-pyrazolyl) anilino]-3-methoxymaleate. Acta Crystallographica, C49, 1976-1978. OBERTI R., GHOSE S. (1993) Crystal-chemistry of a complex Mn-bearing alkali amphibole on the verge of exsolution. European Journal of Mineralogy, 5, 1153-1160. HAWTHORNE F.C., UNGARETTI L., OBERTI R., CANNILLO E., SMELIK E.A. (1994): The mechanism of [6]Li incorporation in amphibole. American Mineralogist, 79, 443-451. CAUCIA F., CALLEGARI A., OBERTI R., UNGARETTI L., HAWTHORNE F.C. (1994) Structural aspects of oxidation-dehydrogenation in staurolite. Canadian Mineralogist, 32, 477-489. HAWTHORNE F.C., OBERTI R., UNGARETTI L., CAUCIA F., CALLEGARI A.(1994) Crystal-structure refinement of hydrogen-rich staurolite. Canadian Mineralogist, 32, 491-495. HAWTHORNE F.C., UNGARETTI L., OBERTI R., CAUCIA F., CALLEGARI A. (1994) A response to the discussion of Hollister (1994). Canadian Mineralogist, 32, 714-715. OBERTI R., HAWTHORNE F.C., UNGARETTI L., CANNILLO E. (1995) [6]Al disorder in amphiboles from mantle peridotite. Canadian Mineralogist, 33, 867-878. HAWTHORNE F.C., OBERTI R., CANNILLO E., SARDONE N., ZANETTI A., GRICE J.D., ASHLEY P.M. (1995) A new anhydrous amphibole from the Hoskins mine, Grenfell, New South Wales, Australia: description and crystal structure of ungarettiite, NaNa2 (Mn3+3 Mn2+2)Si8O22O2. American Mineralogist, 80, 165-172. OBERTI R., SARDONE N., HAWTHORNE F.C., RAUDSEPP M., TURNOCK A.C. (1995) Synthesis and crystal-structure refinement of synthetic fluor-pargasite. Canadian Mineralogist, 33, 25-31. OBERTI R., UNGARETTI L., CANNILLO E., HAWTHORNE F.C., MEMMI I. (1995) Temperature-dependent Al order-disorder in the tetrahedral double-chain of C2/m amphiboles. European Journal of Mineralogy, 7, 1049-1063. VANNUCCI R., PICCARDO G.B., RIVALENTI G., ZANETTI A., RAMPONE E., OTTOLINI L.,
OBERTI R., MAZZUCCHELLI M., BOTTAZZI P. (1995) Origin of LREE-depleted amphiboles
in the subcontinental mantle. Geochimica et Cosmochimica Acta, 59, 1763-1771. DOI:
10.1016/0016-7037(95)00080-J.
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OBERTI R, VANNUCCI R, ZANETTI A, TIEPOLO M., BRUMM R.C. (2000) A crystal-chemical re-evaluation of amphibole/melt and amphibole/clinopyroxene DTi in petrogenetic studies. American Mineralogist, 85, 407-419. MERLI M., UNGARETTI L., OBERTI R. (2000) Leverage analysis and structure refinement of minerals. American Mineralogist, 85, 532-542. OBERTI R., CABALLERO J.M., OTTOLINI L., LOPEZ-ANDRES S., HERREROS V. (2000) Sodic-ferripedrizite, a new monoclinic amphibole bridging the magnesium-iron-manganese-lithium and the sodium-calcium group. American Mineralogist, 85, 578-585. CALLEGARI A., CAUCIA F., MAZZI F., OBERTI R., OTTOLINI L., UNGARETTI L. (2000) The crystal structure of peprossiite-(Ce), an anhydrous REE and Al mica-like borate with square-pyramidal coordination for Al. American Mineralogist, 85, 586-592. TIEPOLO M., VANNUCCI R., OBERTI R., FOLEY S., BOTTAZZI P., ZANETTI A. (2000) Nb and Ta incorporation and fractionation in titanian pargasite and kaersutite: crystal-chemical constraints and implications for natural systems. Earth and Planetary Sciences Letters, 176, 185-201. DOI: 10.1016/S0012-821X(00)00004-2. OTTOLINI L., OBERTI R. (2000) Accurate quantification of H, Li, Be, B, F, Ba, REE, Y, Th, and U in complex matrices: a combined approach based on SIMS and single-crystal structure-refinement. Analytical Chemistry, 72, 16, 3731-3738. DOI: 10.1021/ac0002240. TIEPOLO M., VANNUCCI R., BOTTAZZI P., OBERTI R., ZANETTI A., FOLEY S. (2000) Partitioning of REE, Y, Th, U and Pb between pargasite, kaersutite and basanite to trachyte melts: implications for percolated and veined mantle. Geochemistry Geophysics Geosystems (an electronic journal of the Earth Sciences), vol 1, n. 64, 32 pp. HAWTHORNE F.C., OBERTI R., CANNILLO E., OTTOLINI L., ROELOFSEN J., MARTIN R.M.: (2001) Li-bearing arfvedsonitic amphiboles from the Strange Lake peralkaline granite, Quebec. Canadian Mineralogist, 39, 1161-1170. DOI: 10.2113/gscanmin.39.4.1161. MERLI M., OBERTI R. CAUCIA F., UNGARETTI L.(2001) Determination of site population in olivine: warnings on X-ray data treatment and refinement. American Mineralogist, 86, 55-65. TIEPOLO M., BOTTAZZI P., FOLEY S., OBERTI R., VANNUCCI R., ZANETTI A. (2001) Fractionation of Nb and Ta from Zr and Hf at mantle depths: the role of titanian pargasite and kaersutite. Journal of Petrology, 42, 221–231. DOI: 10.1093/petrology/42.1.221. OBERTI R., OTTOLINI L., DELLA VENTURA G., PARODI G.C. (2001) On the symmetry and crystal chemistry of britholite: new structural and microanalytical data. American Mineralogist, 86, 1066-1075. GIANFAGNA A., OBERTI R. (2001) Fluoro-edenite from Biancavilla (Catania, Sicily, Italy): crystal chemistry of a new amphibole end-member. American Mineralogist, 86, 1489-1493. TIEPOLO M., OBERTI R:, VANNUCCI R. (2002) Trace-element incorporation in titanite: constraints from experimentally determined solid/liquid partition coefficients. Chemical Geology, 191, 105-119. DOI: 10.1016/S0009-2541(02)00151-1. OBERTI R., DELLA VENTURA G., OTTOLINI L., HAWTHORNE F.C., BONAZZI P. (2002) Re-definition, nomenclature and crystal-chemistry of the hellandite group American Mineralogist, 87, 745-752. DELLA VENTURA G., BONAZZI P., OBERTI R., OTTOLINI L. (2002) Ciprianiite and mottanaite-(Ce), two new minerals of the hellandite group from Latium (Italy) American Mineralogist, 87, 739-744. CABALLERO J.M., OBERTI R., OTTOLINI L. (2002) Ferripedrizite, a new monoclinic BLi amphibole end-member from the Eastern Pedriza Massif, Sierra de Guadarrama, Spain, and a restatement of the nomenclature of Mg-Fe-Mn-Li amphiboles. American Mineralogist, 87, 976-982. QUARTIERI S, BOSCHERINI F., CHABOY J., DALCONI M.C., OBERTI R., ZANETTI A.
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CHOPIN C., GOFFÉ B., UNGARETTI L., OBERTI R. (2003) Magnesiostaurolite and
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OBERTI R., CÁMARA F., OTTOLINI L., CABALLERO J.M. (2003): Lithium in amphiboles:
detection, quantification, and incorporation mechanisms in the compositional space
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TIEPOLO M., ZANETTI A., OBERTI R., BRUMM R., FOLEY S., VANNUCCI R. (2003) Trace-element partitioning between synthetic potassic-richterites and silicate melts, and contrasts with the partitioning behaviour of pargasites and kaersutites. European Journal of Mineralogy, 15, 329-340. DOI: 10.1127/0935-1221/2003/0015-0329. IEZZI G., DELLA VENTURA G., PEDRAZZI G., ROBERT J.-L., OBERTI R. (2003) Synthesis and characterisation of ferri-clinoferroholmquistite,  Li2 (Fe2+3Fe3+2) Si8 O22(OH)2. European Journal of Mineralogy, 15, 321-328. DOI: 10.1127/0935-1221/2003/0015-0321. CÁMARA F., IEZZI G., OBERTI R. (2003) HT-XRD study of synthetic magnesian ferrispodumene: The effect of site dimension on the P21/c C2/c phase transition. Physics and Chemistry of Minerals, 30(1), 20-30. DOI 10.1007/s00269-002-0287-x. GIANFAGNA A., BALLIRANO P., BELLATRECCIA F., BRUNI B., PAOLETTI L., OBERTI R. (2003) Characterization of amphibole fibres linked to mesothelioma in the area of Biancavilla, Eastern Sicily, Italy. Mineralogical Magazine, 67, 1221-1229. DOI: 10.1180/0026461036760160. OBERTI R., BOIOCCHI M., SMITH D.C. (2003) Fluoronyböite from Jianchang (Su-Lu, China) and nyböite from Nybö (Nordfjord, Norway): description and comparison of two high-pressure amphibole end-members. Mineralogical Magazine, 67, 769-782. DOI: 10.1180/0026461036740133. CÁMARA F., OBERTI R., IEZZI G., DELLA VENTURA G. (2003) The P21/m C2/m phase transition in the synthetic amphibole Na NaMg Mg5 Si8 O22 (OH)2: Thermodynamic and crystal-chemical evaluation. Physics and Chemistry of Minerals, 30, 570-581. DOI 10.1007/s00269-003-0348-9. OBERTI R., CAMARA F., CABALLERO J.M., AND OTTOLINI L. (2003) Sodic-ferri-
ferropedrizite and ferri-clinoferroholmquistite, mineral data and degree of order of the A-site
cations in Li-rich amphiboles Canadian Mineralogist, 41,1345-1354. DOI:
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IEZZI G., DELLA VENTURA G., OBERTI R., CÁMARA F., HOLTZ F. (2004) Synthesis and crystal-chemistry of the synthetic P21/m amphibole Na(NaMg)Mg5Si8O22(OH)2. American Mineralogist, 89, 640-646. QUARTIERI S., DALCONI M.C., BOSCHERINI F., OBERTI R., D’ACAPITO F., (2004) Changes in the local coordination of trace Rare Earth Elements in garnets by high-energy XAFS: new data on dysprosium. Physics and Chemistry of Minerals, 31, 162-167. DOI 10.1007/s00269-003-0377-4. OBERTI R., CÁMARA F., CABALLERO J.M. (2004) Ferri-ottoliniite and ferriwhittakerite, two new end-members of the new Group 5 for monoclinic amphiboles. American Mineralogist, 89, 888-893. ZANETTI A., TIEPOLO M., OBERTI R., VANNUCCI R. (2004) Trace-element partitioning in olivine: modelling of a complete data set from a synthetic basanite melt. Lithos, 75, 39-54. DOI:10.1016/j.lithos.2003.12.022 IEZZI G., CÁMARA F., DELLA VENTURA G., PEDRAZZI G., OBERTI R., ROBERT J-L. (2004) Synthesis, crystal structure and crystal-chemistry of ferri-clinoholmquistite, Li2Mg3Fe3+2Si8O22(OH)2. Physics and Chemistry of Minerals, 31, 375-385. DOI 10.1007/s00269-004-0402-2. CÁMARA F., OBERTI R., DELLA VENTURA G., WELCH M.D., MARESCH V.W. (2004) The crystal-structure of synthetic NaNa2Mg5Si8O21(OH)3, a triclinic C¯ triple-cell and excess hydrogen. American Mineralogist, 89, 1464-1473. VANNUCCI R., OBERTI R., TIEPOLO M., ZANETTI A. (2004) Ruling the incorporation of high field strength elements in mantle minerals. Atti dell’Accademia Nazionale dei Lincei, Geochimica 2000, 165-186. CÁMARA F., WILLIAMS C.T., DELLA VENTURA G., OBERTI R., CAPRILLI E. (2004) Non-metamict betafite from Le Carcarelle (Vico volcanic complex, Italy): occurrence and crystal structure. Mineralogical Magazine, 68, 939-950. DOI: 10.1180/0026461046860224. OBERTI R., CÁMARA F., OTTOLINI L. (2005) Clinoholmquistite discredited: the new amphibole end-member fluoro-sodic-pedrizite. American Mineralogist, 90, 732-736. DOI: 10.1180/minmag.2009.073.3.487. CÁMARA F., OBERTI R. (2005) The crystal-chemistry of holmquistites: Ferroholmquistite from Greenbushes (Western Australia) and hints for compositional constraints in BLi amphiboles. American Mineralogist, 90, 1167-1176. DOI: 10.2138/am.2005.1793. BIANCHI R., FORNI A., OBERTI R. (2005) Multipole-refined charge density study of diopside at ambient conditions. Physics and Chemistry of Minerals, 32,638-645. DOI 10.1007/s00269-005-0039-9. HAWTHORNE F.C., DELLA VENTURA G., OBERTI R., ROBERT J.-L., IEZZI G. (2005) Short-range order in minerals: amphiboles. Canadian Mineralogist, 43, 1895-1920. DOI: 10.2113/gscanmin.43.6.1895. OBERTI R., .QUARTIERI S., DALCONI M.C., BOSCHERINI F., IEZZI G., BOIOCCHI M. (2006) Distinct local environments for Ca along the non-ideal pyrope-grossular solid-solution: a new model based on crystallographic and EXAFS analysis. Chemical Geology, 335, 347-359. DOI: 10.1016/j.chemgeo.2005.08.027 OBERTI R., CÁMARA F., DELLA VENTURA G., IEZZI G., BENIMOFF A.I. (2006) Parvo-mangano-edenite and parvo-manganotremolite, two new Group 5 monoclinic amphiboles from Fowler, New York, and comments on the solid solution between Ca and Mn2+ at the M4 site. American Mineralogist, 91, 526-532. DOI: 10.2138/am.2006.1905 HAWTHORNE F.C., OBERTI R. (2006) On the classification of amphiboles. Canadian Mineralogist, 44, 1-21. DOI: 10.2113/gscanmin.44.1.1. OBERTI R., QUARTIERI S., DALCONI M.C., BOSCHERINI F., IEZZI G., BOIOCCHI M., EECKHOUT S. (2006) Site preference and local geometry of Sc in garnets: I. Multifarious mechanisms in the pyrope-grossular join. American Mineralogist, 91,1230-1239. DOI: 10.2138/am.2006.2037. QUARTIERI S., OBERTI R., BOIOCCHI M., DALCONI M.C, BOSCHERINI F., SAFONOVA O., WOODLAND A.B. (2006) Site preference and local geometry of Sc in garnets: II. The crystal-chemistry of octahedral Sc in the andradite-Ca3Sc2Si3O12 join. American Mineralogist, 91, 1240-1248. DOI: 10.2138/am.2006.2038. CÁMARA F., OBERTI R., CHOPIN C., MEDENBACH O. (2006) The arrojadite enigma: I. A new formula and a new model for the arrojadite structure. American Mineralogist, 91, 1249-1259. DOI: 10.2138/am.2006.2189. CHOPIN C., OBERTI R., CÁMARA F. (2006) The arrojadite enigma: II. Compositional space, new members and nomenclature of the group. American Mineralogist, 91, 1260-1270. DOI: 10.2138/am.2006.2190. HAWTHORNE F.C., OBERTI R., MARTIN R.F. (2006) Short-range order in amphiboles from the Bear Lake diggings, Ontario. Canadian Mineralogist, 44, 1171-1179. DOI: 10.2113/gscanmin.44.5.1171. CÁMARA F., IEZZI G., TIEPOLO M., OBERTI R. (2006) The crystal chemistry of lithium and Fe3+ in synthetic orthopyroxene Physics and Chemistry of Minerals, 33, 475-483. DOI 10.1007/s00269-006-0094-x. DELLA VENTURA G., BELLATRECCIA F., CÁMARA F. OBERTI R., LORAND J.P., PARODI G.C., CARLIER G., DI DOMENICO D. (2006) Carbon-bearing cordierite from Allumiere (Tolfa volcanic center, Latium, Italy): occurrence, crystal- structure and FTIR microspectroscopy. Periodico di Mineralogia, 75, 113-126. DELLA VENTURA G., OBERTI R., HAWTHORNE F.C., BELLATRECCIA F. (2007) FTIR spectroscopy of Ti-rich pargasites from Lherz: detection and short-range order of O(3)O2- in amphiboles, American Mineralogist, 92, 1645–1651. DOI: 10.2138/am.2007.2199. OBERTI R., BOIOCCHI M., SMITH D.C., MEDENBACH O. (2007) Aluminotaramite, alumino-magnesiotaramite, and fluoro-alumino-magnesiotaramite: Mineral data and crystal chemistry. American Mineralogist, 92, 1428-1435. DOI: 10.1127/0935-1221/2008/0020-1837. BIANCHI R., FORNI A., CÁMARA F., OBERTI R., OHASHI H. (2007) Experimental multipole-refinement and theoretical charge density study of LiGaSi2O6 at ambient conditions. Physics and Chemistry of Minerals, 34, 519-527. DOI 10.1007/s00269-007-0167-5. KIM N., STEBBINS J.F., QUARTIERI S., OBERTI R. (2007) Scandium-45 NMR of pyrope-grossular garnets: resolution of multiple scandium sites and comparison with x-ray diffraction and x-ray spectroscopy. American Mineralogist, 92, 1875-1880. DOI: 10.2138/am.2007.2601. ADAM J., OBERTI R., CÁMARA F., GREEN T. (2007) An electron microprobe, LAM-ICP-MS and single-crystal X-ray structure refinement study of the effects of pressure, melt-H2O concentration and ƒO2 on experimentally produced basaltic amphiboles. European Journal of Mineralogy, 19, 641-655. DOI: 10.1127/0935-1221/2007/0019-1750. CÁMARA F., OBERTI R., CASATI N. (2008) The P21/mC2/m phase transition in Na NaMg Mg5 Si8 O22 F2: a crystal-chemical study and the role of differential polyhedral expansion. Zeitschrift für Kristallographie, 223, 148-159. DOI 10.1524/zkri.2008.0012. QUARTIERI S., BOSCHERINI F., DALCONI C., IEZZI G., MENEGHINI C., OBERTI R. (2008) Magnesium K-edge EXAFS study of bond-length behavior in synthetic pyrope-grossular garnet solid solutions. American Mineralogist, 93, 495-498. DOI: 10.2138/am.2008.2831. CÁMARA F., OBERTI R., OTTOLINI L., DELLA VENTURA G., BELLATRECCIA F. (2008) The crystal-chemistry of Li in gadolinite: a multi-analytical approach. American Mineralogist, 93, 996-1004. DOI: 10.2138/am.2008.2748. OBERTI R., BOIOCCHI M., SMITH D.C., MEDENBACH O., HELMERS H. (2008) Potassic-aluminotaramite from Sierra des los Filabres, Spain. European Journal of Mineralogy, 20, 1005-1010. DOI: 10.1127/0935-1221/2008/0020-1837. HAWTHORNE F.C., OBERTI R., ZANETTI A., NAYAK V.K. (2008) The crystal chemistry of alkali amphiboles from the Kajlidongri manganese mine, India. Canadian Mineralogist, 46, 455-466. DOI : 10.3749/canmin.46.2.455. DELLA VENTURA G., BELLATRECCIA F., IEZZI G., OBERTI R., CÁMARA F. (2008) The P21/mC2/m phase-transition in synthetic amphiboles in the system Li2O-Na2O-MgO-SiO2-H2O: a high-T FTIR study. European Journal of Mineralogy, 20, 1019-1026. DOI: 10.1127/0935-1221/2008/0020-1836. OBERTI R., BOIOCCHI M., BALL N.A., HAWTHORNE F.C. (2009) Fluoro-sodic-ferropedrizite, Na Li2 (Fe2+2Al2Li) Si8O22 F2, a new mineral of the amphibole group from the Sutlug River, Tuva Republic, Russia: Description and crystal structure. Mineralogical Magazine, 73, 487-494. DOI: 10.1180/minmag.2009.073.3.487. OBERTI R., CÁMARA F., HAWTHORNE F.C., BALL N.A. (2009) Fluoro-aluminoleakeite, Na Na2 (Mg2Al2Li) Si8O22 F2, a new mineral of the amphibole group from Norra Kärr, Sweden: Description and crystal structure. Mineralogical Magazine, 73, 817-824. DOI: 10.1180/minmag.2009.073.5.817. OBERTI R., BOIOCCHI M., HAWTHORNE F.C., ROBINSON P. (2010) Crystal structure and crystal chemistry of fluoro-potassic-magnesio-arfvedsonite from Monte Metocha, Xixano region, Mozambique, and discussion of the holotype from Quebec, Canada. Mineralogical Magazine, 76, 951-960. DOI: 10.1180/minmag.2010.074.6.951. OBERTI R., BOIOCCHI M., HAWTHORNE F.C., PAGANO R., PAGANO A. (2010) Fluoro-potassic-pargasite, K Ca2 (Mg4Al) (Si6Al2) O22 F2 from the Tranomaro area, Madagascar: mineral description and crystal chemistry. Mineralogical Magazine, 76, 961-967. DOI: 10.1180/minmag.2010.074.6.961. WELCH M.D., CÁMARA F., OBERTI R. (2011) Thermoelasticity and high-T behaviour of anthophyllite. Physics and Chemistry of Minerals, 38, 321-334. DOI 10.1007/s00269-010-0406-z. ZEMA M., WELCH M.D., OBERTI R. (2012) High-T behaviour of gedrite: thermoelasticity and dehydrogenation. Contributions to Mineralogy and Petrology, 163(5), 923-937. DOI 10.1007/s00410-011-0706-4. NESTOLA F., PASQUAL D., WELCH M.D., OBERTI R. (2012) The effects of composition upon the high-pressure behaviour of amphiboles: compression of gedrite to 7 GPa and a comparison with anthophyllite and proto-amphibole. Mineralogical Magazine, 76 (4), 987-995. DOI: 10.1180/minmag.2012.076.4.14 BOIOCCHI M., BELLATRECCIA F., DELLA VENTURA G., OBERTI R. (2012) On the symmetry and atomic ordering in (F,OH)-rich spessartine: towards a new hydrogarnet end-member. Zeit. Krist., 227, 385-395. DOI 10.1007/s00410-012-0788-7. PERINELLI C., ANDREOZZI G.B. CONTE A.M., OBERTI R., ARMIENTI P. (2012) Redox state of subcontinental lithospheric mantle and metasomatism relationships: insights from spinel-peridotites from northern Victoria Land (Antarctica). Contributions to Mineralogy and Petrology, 164, 6, 1053-1067. DOI 10.1007/s00410-012-0788-7. OBERTI R., CANNILLO E., TOSCANI G. (2012) How to name amphiboles after the IMA2012 report: rules of thumb and a new PC program for monoclinic amphiboles. Periodico di Mineralogia, 81, 2, 257-267. DOI: 10.2451/2012PM0015. HAWTHORNE F.C., OBERTI R. (co-chairs), HARLOW G.E., MARESCH W.V., MARTIN R.F., SCHUMACHER J.C., WELCH M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist, 97, 2031-2048. DOI: 10.2138/am.2012.4276. JENKINS D.M., DELLA VENTURA G., OBERTI R, BOZHILOV K. (2013) Synthesis and characterization of amphiboles along the tremolite ̶glaucophane join. American Mineralogist, in press. DOI: 10.2138/am.2013.4281. DELLA VENTURA G., BELLATRECCIA F., CÁMARA F., OBERTI R. (2014) Crystal-chemistry and short-range order of fluoro-edenite: a combined X-ray diffraction and FTIR spectroscopic approach. Mineralogical Magazine (submitted)

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