Journal/NDM48 2013 eng

New Data on Minerals, vol.48, 2013

New Data on Minerals. 2013. Volume 48. 162 pages, 128 photos, drawings and schemes. Publication of Institution of Russian Academy of Sciences, FersmanMineralogicalMuseum RAS.

Summary

This volume contains description of laptevite-(Ce), a new vicanite group mineral found in the Darai-Pioz alkaline massif, rare minerals of the baratovite-katayamalite solid solution from the Khodzha-Achkan alkaline massif in Kirgizia, listvenite-like phlogopite-magnesite gumbeites of the Berezovsky gold deposit in the Urals, polycrystalline diamond aggregates from the Lomonosov deposit in the Arkhangelsk diamond province, and gypsum segregations from the bottom of the Okhotsk and Japan Seas. The results of fine investigation of trace elements in the crystal structure of molybdenite and experimental modeling of Pt and Pd sulfide crystallization during cooling in the central part of the Cu-Fe-S system are given.
Separate section is devoted to 150th anniversary of the birth of V.I. Vernadsky. It contains papers about geochemical mineralogy of V.I. Vernadsky, his activity in nuclear power, and mineralogical taxonomies suggested by V.I. Vernadsky, J.D. Dana, A.G. Betekhtin, I.N. Kostov, G.P. Barsanov, and A.A. Godovikov. In the section Mineralogical Museums and Collections, the first information on products of Chinese stone-cut art in the collection of the Fersman Mineralogical Museum, Russian Academy of Sciences, brief historical review of the collection of diamond crystals of the same museum, and detail information on the new acquisitions in the museum in 2011–2012 are given.
Mineralogical Notes are represented by brief paper about findings of giant minerals in the South Urals. This journal is of interest for mineralogists, geochemists, geologists, staff of natural history museums, collectors, and amateurs of stones.

Editorial Board

• Editor in Chief: Viktor K. Garanin, Doctor in Science, Professor
• Executive Editor: Elena A. Borisova, Ph.D.
• Margarita I. Novgorodova, Doctor in Science, Professor,
• Boris Ye. Borutzky, Doctor in Science,
• Eugeny I. Semenov, Doctor in Science,
• Svetlana N. Nenasheva, Ph.D.,
• Marianna B. Chistyakova, Ph.D.,
• Elena N.Matvienko, Ph.D.,
• Mikhail E. Generalov, Ph.D.,
• Elena S. Sorokina, Ph.D.,
• Leonid A. Pautov

Publishing group

• Photo Michael B. Leybov
• Leader of Publishing group Michael B. Leybov
• Managing Editor Ludmila A. Cheshko
• Editor Andrey L. Cheshko
• Design and Layout Ivan A. Glazov
• Translators Il’ya Anisimov, Ivan A. Baksheev, Vladimir Karpenko, Alexander S. Yakubchuk
• Editors (English Style) Dr. Peter Modreski and Dr. Edward Rosenzweig

Authorized for printing by Institution of Russian Academy of Sciences, Fersman Mineralogical Museum RAS
Text,photo,drawings andschemes, InstitutionofRussianAcademyof Sciences, Fersman Mineralogical MuseumRAS,2013
Design BRITAN Ltd, 2013

Published by Fersman Mineralogical Museum, BRITAN Ltd Russian Academy of Sciences Box 71 Moscow 117556 Bld. 18/2 Leninsky ProspektMoscow 119071 Russia Phone/fax +7(495) 629G48G12 Phone: +7(495) 952-00-67; fax +7(495) 952-48-50 e-mail: minbooks@inbox.ru e-mail: mineral@fmm.ru www.minbook.com www.fmm.ru

Сontent

New Minerals and Their Varieties, New Finds of Rare Minerals, Mineral Paragenesis

Agakhanov A.A., Pautov L.A., Uvarova Yu.А., Sokolova E.V., Hawthorne F.C., Karpenko V.Yu. Laptevite-(Ce) NaFe₂⁺(REE₇Ca₅Y₃)(SiO₄)₄(Si₃B₂PO₁₈)(BO₃)F₁₁–new mineral of the vicanite group from the Darai-Pioz alkaline massif, Tajikistan, p. 5 - 11

Laptevite-(Ce) is a new mineral of the vicanite group. It was found in a calcite-bafertisite-aegirine-microcline rock in association with stillwellite-(Ce), calcibeborosilite-(Y), fluorite, polylithionite and other minerals at the Darai-Pioz glacier moraine (Tajikistan). Color is dark-brown, in thin plates is transparent. Vitreous luster. It occurs as poorly formed crystals up to 1 cm in size. Mohs’ hardness 4.5–5. Dmeas.=4.61(2)g/cm³, D_calc.=4.619 g/cm³. Optically uniaxial negative, n_o=1.741(3), n_e=1.720(3). It is partially metamict. Crystal structure has been refined with R = 3.61%. Hexagonal symmetry, space group R3m, a=10.804(2)Å; b=10.804(2)Å; c=27.726(6)Å; V=2802.7(2)Å3, Z=3. Most intense X-ray powder data lines are as follows [d, (I), (hkl)]: 7.70 (19) (012); 4.41 (29) (202); 3.13 (26) (214); 3.03 (100) (027); 2.982 (85) (125); 2.954 (60) (033); 2.689 (40) (-240); 1.979 (31) (330); 1.770 (21) (-555). IR spectrum (strongest absorption bands, cm–1) 1623, 1437, 1300, 945, 930, 877, 758, 637, 570, 531. Chemical composition (microprobe analysis, wt.%): SiO2 – 15.67, TiO2 – 0.28, ZrO2 – 0.01, ThO2 – 0.38, UO2– 0.65, FeO – 1.48, CaO –11.64, MnO – 1.02, SrO – 0.95, Y2O3 – 11.30, La2O3 – 14.51, Ce2O3 – 16.93, Pr2O3 – 2.76, Nd2O3 – 5.16, Sm₂O₃ – 0.98, Eu₂O₃ – 0.10, Gd₂O₃ – 1.56, Tb₂O₃ – 0.29, Dy₂O₃ – 1.37, Tm₂O₃ – 0.17, Yb₂O₃, – 0.28, B₂O₃ – 4.98, P₂O₅ – 1.51, Na₂O – 1.05, F – 8.53, –O=F₂ – 3.59, total – 100.46. The simplified formula is NaFe²⁺(REE₇Ca₅Y₃) (SiO₄)₄(Si₃B₂PO₁₈)(BO₃)F₁₁. The mineral is named in honor of Tatyana Mikhaylovna Lapteva (1928–2011), the Soviet geologist, petrographer, who made a major contribution to geological study of Central Asia. читать далее...

Pautov L.A., Karpenko V.Yu., Agakhanov A.A. Baratovite-katayamalite minerals from the Hodzha-Achkan alcaline massif (Kirgizia), p. 12 - 36

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Spiridonov E.M., Kulikova I.M., Nurmukhametov F.M., Sidorova N.V., Korotaeva N.N., Polenov Y.A., Troshkina A.N. Cogenetic zircon, monazite, xenotime, and fluorapatite from apopicritic phlogopite-magnesite gumbeites at the Berezovsky gold deposit, Urals, Russia, p. 37 - 55

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Bazarova Y.М., Kryulina G.Y., Garanin V.K. Polycrystalline clusters of diamond from the Lomonosov deposit, Russia, p. 56 - 59

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Terekhov E.P.,Mozherovsky A.V., Vashchenkova N.G., Barinov N.N. Authigenic gypsum in rocks at the bottom of Japan and Okhotsk seas, p. 60 - 67

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