Минералогический Музей им. А.Е. Ферсмана
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Journal/NDM42 2007 eng

New Data on Minerals, vol.42, 2007

New Data on Minerals. volume 42, 2007. 168 pages, 137 photos, and drawings.


This volume contains articles on new mineral species, among them – Faizievite, Guimarã esite, a rocherite-group mineral from Brazil, and Ferroskuterudite, arsenide of iron and cobalt from the Norilsk ore field; the description of new finds of recently discovered minerals – Pertsevite and Megacyclite with the structure of the last one; new data on mineralogical assemblages with bituminous matter in pegmatites of the Khibiny massif, on the features of occurrence of noble metals in ores and oxidized zone of the Onega deposits in South Karelia; the results of studying of Grossular, Vesuvianite and Achtrandite of the Talnakh region; the results of research of transformation of mineral paragenetic assemblages from copper sulfide ores of the Krasnov hydrotermal field; the nomenclature of the Loellingitegroup diarsenides.
The paper of the chairman and vicechairman, Subcommittee for Unnamed Minerals, IMA Commission on New Minerals, Nomenclature and Classification, published earlier in Canadian Mineralogist journal, is reproduced here in brief version by request of the Commission in order to introduce the new and approved coding system as widely as possible.
"Mineral Museums and Collections" section contains information on mineral collections of Fersman Mineralogical Museum: on art things of masters from the Urals on mineral collections of the Tsesarevichs and of General G.P. Chernik; on the story of one exhibit from the Museum – a black basalt with a golden monogram; and also there is in this section a description of the mineralogical collection of the GeoMuseum, Cologne University, Germany.
"Personalities" section includes the article on the exhibition "Jubilees and Their Heroes"; this exhibition was devoted to 290 years of Fersman Mineralogical Museum and other jubilees concerning with the Museum. Two more articles are devoted to Professors Alexander A. Godovikov and Georgiy P. Barsanov who had leaded this Museum in different periods.
In "Mineralogical Notes" section two articles are published. First, on carbonates in metakimberlite, Zarnitsa pipe, and second, on the twisted filiform magnesian calcite from rocks at Russian platform.
This journal is of interest for mineralogists, geochemists, geologists, staff of natural history museums, collectors, and rocks aficionados.

Editorial Board

Editor in Chief: M.I. Novgorodova - Doctor of Geology and Mineralogy, Professor
Executive Editor: E.A. Borisova - Ph.D. of Geology and Mineralogy
Members of Editorial Board:
E.I. Semenov - Doctor of Geology and Mineralogy
S.N. Nenasheva - Ph.D.of Geology and Mineralogy
E.N. Matvienko - Ph.D.of Geology and Mineralogy
M.B. Chistyakova - Ph.D.of Geology and Mineralogy

Publishing group

Photo - M.B. Leybov
Leader of Publishing group - M.B. Leybov
Executive Editor - L.A. Cheshko
Art Director - N.O. Parlashkevich Editor – A.A. Prokubovsky Design and Layout – D. Ershov
Translators – M.S. Alferova, I.A. Anisimov, I.A. Baksheev, Mark Fed’kun, B.Z. Kantor, A.S. Yakubchuk
Editors - (English Style) Patricia Gray, Frank C. Hawthorne, Peter Modreski
Layout - IA. Glazov and A.A. Ludin

You can order the current issue or subscribe to the magazine at www.minbook.com or by email minbooks@online.ru


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

Pdf icon.pngAtali A. Agakhanov, Leonid A. Pautov, Yulia A. Uvarova, Elena V. Sokolova, Frank C. Hawthorne, Vladimir Y. Karpenko, Farhod G. Gafurov. Faizievite K2Na(Ca6Na)Ti4Li6Si24O66F2 – a New Mineral Species, p. 5 - 10

Faizievite, a new sodiumpotassiumcalciumlithium titanosilicate, was found in a quartz boulder in association with pectolite, baratovite, aegirine, polylithionite, leucosphenite, fluorite, etc. on a moraine of the Darai-Pioz glacier, Tadjikistan. It is colourless with a strong vitreous lustre, forms tabular plates without vicinal forms, and up to 0.3 cm in maximum dimension. Mohs hardness is 4–4.5, measured density is 2.83(2) g/cm3, calculated density is 2.819 g/cm3. Faizievite is optically positive, biaxial, np = 1.651(2), nm= 1.655(2), ng =1.657(2), 2Vmeas. = -72(2)°, 2Vcalc. = -70.4°. The crystal structure was refined to an R index of 7.5%. Faizievite is triclinic, space group P-1, cell dimensions: a = 9.8156(9)Å; b = 9.8249(9)Å; c = 17.3087(16)Å; α = 99.209(2)°, β = 94.670(2)°, γ = 119.839(1)°, V = 1403.7(4)Å3, Z = 1. The strongest lines of the X-ray powder diffraction pattern are as follows: [d, Å, (I, %), (hkl)]: 5.60 (9) (0 0 3), 4.25 (60) (0 -2 1), 3.35 (100) (0 0 5), 3.14 (20) (1 -3 2), 3.06 (90) (-1 -2 3), 2.885 (55) (-2 1 5), 2.870 (10) (-2 3 2), 1.868 (17) (-1 4 4). The strongest lines of the IR absorption spectra are as follows: 1211, 1178, 1130, 1022, 940, 783, 683, 651, 557, 534, 460 cm-1. The chemical composition (microprobe, excepting data for Li2O, Rb2O, BaO, SrO – which was obtained by ICP OES, wt.%): SiO2 – 60.65, CaO – 14.52, TiO2 – 13.44, Nb2O5 – 0.11, SrO – 0.72, BaO – 0.24, K2O – 3.93, Na2O – 1.99, Li2O – 3.76, Rb2O – 0.13, F – 1.30, -O=F2 – 0.55, total – 100.24. The empirical formula of faizievite is (K1.98Rb0.03)2.01(Na0.900.10)1.00(Ca6.16Na0.63Sr0.17Ba0.04)7.00(Ti4.00Nb0.02)4.02 Li5.98Si24O66.00(F1.63O0.36)1.99. The ideal formula is K2Na(Ca6Na)Ti4Li6Si24O66F2. The name honors Faiziev Abdulkhak Radzhabovitch (born 1938) of Dushanbe, Tadjikistan, professor and membercorrespondent of the Academy of Sciences of the Republic of Tadjikistan. He is a wellknown mineralоgist, and author of numerous works on the mineralоgy and geochemistry of Central Asia. The sample with faizievite is stored in Fersman Mineralоgical Museum, Russian Academy of Science (Moscow). читать далее...

Pdf icon.pngNikita V. Chukanov, Daniel Atencio, Alexander E. Zadov, Luis A.D. Menezes Filho, Jose M.V. Coutinho. Guimarã esite, a New Zn-dominant Monoclinic Roscherite-group Mineral from Itinga, Minas Gerais, Brazil, p. 11 - 15

Guimarã esite1, Ca2(Zn,Mg,Fe)5Be4(PO4)6(OH)4·6H2O,monoclinic, is a new member of the roscheritegroup. It occurs as a late fracturefilling mineral in a phosphaterich granite pegmatite near the Piauí river, Itinga county, Minas Gerais, Brazil. Associated minerals are: albite, microcline, quartz, elbaite, lepidolite, schorl, eosphorite, moraesite, saleeite, zanazziite, an irondominant roscheritegroup mineral, opal. Guimarã esite forms peripheral zones (up to 0.1 mm thick) in crystals of roscheritegroup minerals. The inner zones of the crystals are Mgrich (and correspond to zanazziite) or Ferich (greifensteinite and/or ruifrancoite). Its colour is brown, the streak is white and the lustre is vitreous. Guimarã esite is transparent and nonfluorescent. Density (calc.) is 2.963 g/cm3. The mineral is biaxial (-), α 1.596(2), β 1.600(2), γ 1.602(2) (589 nm). 2V(obs.) 5575°, 2V(calc.) 70°. The optical X axis coincides with the elongation direction, dispersion: none observed. It is colourless under the microscope. The chemical composition is (wt. %, ranges are indicated in brackets; EDS mode electron microprobe): CaO 9.72 (9.619.79); MgO 4.00 (3.614.74); MnO 2.18 (0.893.26); FeO 2.65 (1.404.45); ZnO 19.06 (16.3320.50); Al2O3 1.70 (1.531.92); BeO (calculated) 8.975; P2O5 38.20 (37.6137.78); H2O (calculated by difference) 13.515, total 100.00. The empirical formula based on six (PO4) groups per formula unit is Ca1.93(Zn2.61Mg1.11Fe2+ 0.41Al0.37Mn0.34)∑4.84Be4.00(PO4)6.00(OH)3.90·6.41H2O. The strongest reflections of the powder diffraction pattern [d, Å (I, %) (hkl)] are: 9.98 (90) (110), 5.98 (100) (020), 4.82 (80) (310), 3.152 (90) (-202), 3.052 (70) (-421), 2.961 (70) (040, 202), 2.841 (70) (-312), 2.708 (80) (041). Unit cell parameters refined from powder data are a = 15.98(1) Å, b = 11.84(2) Å, c = 6.63(1) Å, β = 95.15(15)°, V = 1249.4(34) Å3, Z = 2. The space group is C2/c. The name is for Djalma Guimarã es (1895-1973), in recognition of his outstanding contributions to Brazilian mineralogy and geology. Holotype specimen of guimarã esite is deposited in the Museu de Geociê ncias, Instituto de Geociê ncias, Universidade de Sã o Paulo, Brazil, registration number DR 591. читать далее...

Pdf icon.pngErnst M. Spiridonov, Yuliya D. Gritsenko. Ferroskutterudite, Nickelskutterudite, and Skutterudite from the Norilsk Ore Field, p. 16 - 27

CoNiFe triarsenides skutterudite, nickelskutterudite and ferroskutterudite have been identified in the Norilsk ore field for the first time. They are hosted in the apophyllite–anhydrite–dolomite–calcite metamorphic hydrothermal veins that occur within the proximal zone of the magmatic CoNiCu sulfide ores, which have been affected by epigenetic prehnitepumpellyite and zeolite facies metamorphism. The CoNiFe triarsenides have overgrown the CoNi diarsenide segregations with which they form complex intergrowths. Both skutterudite and nickelskutterudite, and skutterudite and ferroskuterudite, from Norilsk form continuous isomorphic series. Clear negative correlation between Ni and Fe and strong positive correlation between Co and Fe and Co and S have been identified. читать далее...

Pdf icon.pngWerner Schreyer, Heintz-Jurgen Bernhardt, Olaf Medenbach, Vladimir V. Rudnev, Nikolay N. Pertsev. The New Finds of Pertsevite, p. 28 - 32

A revision of samples and thin sections collections of kotoitebearing rocks by optics and Electron Micro Probe methods has permited to find two new occurrences of pertsevite Mg2(B,Si)(O,F,OH)4. In comparison with the pertsevite holotype having a rather broad meaning of B/Si the new founds of the mineral are more homogeneous in XSi 0.12–0.20 in the sample from Titovskoye deposit, East Verkhoyansk region, and 0.24–0.32 from Gonochan deposit (Djugdjur Ridge, near Okhotsk Sea Coast). The last has the predominance of hydroxile over fluorine. The compositions of accompanied minerals – kotoite, ludwigite and humite group minerals have been studied and presented as well. Pertsevite was formed after kotoite and clinohumite with their reciprocal replacement owing to their chemical interaction. читать далее...

Pdf icon.pngVera N. Ermolaeva, Nikita V. Chukanov, Igor V. Pekov, Zoya V. Shlyukova. New Data on Mineral Assemblages with Bituminous Matter in Pegmatites of the Khibiny Massif, p. 33 - 42

The new occurrences of solid bituminous substances (SBS) have been found in peralkline pegmatites of the Khibiny massif, Kola Peninsula, Russia. Mineral assemblages containing rounded and droplike segregations of SBS ranging from 1 to 10 mm in size are described. In most cases, SBS are ingrown into the grains of microporous titanium, niobium, and zirconium silicates and locally overgrow their surface. Microinclusions of Th and REE minerals frequently occur within the SBS segregations. The new findings confirm a hypothesis of catalytic role of the zeolitelike titanium, niobium, and zirconium silicates to form SBS, as well as key role of organic matters to transfer and concentrate Th and REE during hydrothermal stage of the pegmatite formation. At final stage, most thorium and part of REE incorporate into mineral phases, which saturate SBS, whereas Ca (occasionally together with part of Th and REE) remains in organic phase as carboxylate salts and/or organometallic compounds. читать далее...

Pdf icon.pngAndrey A. Chernikov, Viktor T. Dubinchuk, Dmitriy O. Ozhogin, Natalia I. Chistyakova. Features of Occurrence and Distribution of Noble Metals in Ores and Oxidized Zone of the Onega Uranium-Vanadium Deposits, South Karelia, p. 43 - 49

Complex uraniumvanadium ores with Mo, Cu, Bi and Pb from the Onega deposits, which contain large reserves of vanadium and probably noble metals (Pd, Au, Ag, Pt), are limited by nearsurface and deepseated bedded oxidized zones. In addition, deep joint oxidized zone and hydrothermal roscoelite–chromceladonite–dolomite veinlets occur at the deposits. The highest contents (much higher than 10 ppm) of noble metals have been identified in these veinlets. Minerals of noble metals are native gold, selenides, less frequent selenidesulfides, tellurides, and compounds with bismuth, lead, and other elements. Redeposited native copper, auricupride, native platinum, froodite, isoferoplatinum, palladium analogue of auricupride, the new natural phase, and the phase AuO(OH) have been identified in the oxidized zones with the highest contents of noble metals. Gold segregations from the nearsurface oxidized zone of low noblemetal content (lower than 10 ppm) are fine clusters up to 0.1 µm in size. In the upper part of the deepseated oxidized zone, gold occurs as broken spindleshaped 23 µm particles. Close to the intermediate part of the deepseated oxidized zone, gold crystals are disseminated in blades of native copper that reach several tens of µm in size.
The results obtained confirm previous assumption on the probable increase in noblemetal reserves adjacent to explored uraniumvanadium deposits. читать далее...

Pdf icon.pngMariya S. Alferova. Grossular, Vesuvianite and Achtarandite Mineralogy of the Talnakh Region, p. 50 - 61

Achtarandite, the pseudomorph after unknown mineral is a minerlogical enigma. The second locality of achtarandite described in Talnakh region, Otdel'naya mountain, by its mineral assocaition is an analogue of the typelocality in Yakutia republic, Wiluy river valley. The comprehensive investigation was applied to the rockforming minerals – grossular, vesuvianite and achtarandite, and also to the mineral and fluid inclusions enclosed.
The experimental modelling of Cl-containing mayenite – the achtarandite proto-mineral synthesis was carried out.
It is established that the specific mineral association containing achtarandite happened during two stages: skarn and aposkarn. During the first stage there were formed central parts of garnet and vesuvianite crystals, fassaite which remained as inclusions in vesuvianite, and Cl-containing mayenite. During the second stage there were formed edges of garnet and vesuvianite crystals, amesite, titanite, mackinawite, and Cl-containing mayenite was replaced by achtarandite. читать далее...

Pdf icon.pngNadezhda N. Mozgova, Yury S. Borodaev, Irina F. Gablina, Tamara V. Stepanova, Georgiy A. Chekashev, Tatyana Yu. Uspenskaya. Features of Transformation of Mineral Paragenetic Assemblages from Copper Sulfide Ores of the Krasnov Hydrothermal field (16°38’ N Mid-Atlantic Ridge), p. 62 - 76

Copper sulfide ores of the 5–80 thousands age from the Krasnov relic hydrothermal field (16°38', Mid-Atlantic Ridge) have been studied with optical microscope, electron microscope equipped with energy dispersion system (SEM-EDS), electron microprobe, and X-ray diffraction.
According to the mineralogy, three types of paragenetic assemblages are recognized. Type I is homogeneous isocubanite with Cu-rich sulfides (bornite and copper sulfides of the chalcocite-digenite series). Type II is exsolved isocubanite and its unique products of subsequent transformation. Type III is oxide-sulfate-sulfide, which is characterized by iron specialization and is divided into two subtypes: with predominant pyrite (IIIa) and with predominant Fe-Cu sulfates and Fe oxides (IIIb). Type III contains relics of the highly modified type II paragenesis. The age relationship of type I has not been established. читать далее...

Pdf icon.pngDorian G.W. Smith and Ernest H. Nickel. Codification of Unnamed Minerals, p. 77 - 79

The Subcommittee for Unnamed Minerals of the IMA Commission on New Minerals, Nomenclature and Classification (CNMNC, formerly CNMMN) has developed a codification system that includes the year of publication and qualitative chemical composition for unnamed minerals reported in the literature. Such minerals are divided into two categories: Those regarded as being "valid as unnamed minerals" are those that do not correspond to existing species, have not been reported previously, and whose published descriptions enable them to be recognized if found elsewhere. Unnamed minerals regarded as being "invalid as unnamed minerals" are those whose published descriptions are inadequate for their confident recognition if found elsewhere, or which correspond to existing mineral species or unnamed minerals published previously. читать далее...

Crystal Chemistry, Minerals as Prototypes of New Materials, Physical and Chemical Properties of Minerals

Pdf icon.pngNataliya V. Zubkova, Igor V. Pekov, Nikita V. Chukanov, Dmitriy V. Lisitsin, Murtasali Kh. Rabadanov, Dmitriy Yu. Pushcharovsky. New Data on Megacyclite, p. 81 - 92

The second and the third occurrences of megacyclite KNa8Si9O18(OH)9·19H2O in two alkaline massifs of Kola Peninsula, Russia are described. This mineral occurs as abundant late hydrothermal veinlets up to 1.5 mm thick and rare prismatic individual crystals up to 1.5 cm long, hosted in a large peralkaline pegmatite in association with microcline, aegirine, sodalite, lamprophyllite, lomonosovite, shcherbakovite, villiaumite, delhayelite, phosinaite(Ce), clinophosinaite, natisite, lovozerite, tisinalite, nacaphite, rasvumite, and revdite at Mt. Rasvumchorr, Khibiny massif. In the Lovozero massif, megacyclite have been found in the Palitra pegmatite at Mt. Kedykverpakhk as white and yellowish brown spherulites up to 2 mm in diameter together, with revdite and zakharovite with microcline and natrosilite in cavities. The chemical composition of megacyclite from Khibiny is as follows: wt %: 3.69 K2O, 19.85 Na2O, 42.74 SiO2, 33.03 H2O, total 99.31. The empirical formula calculated on the basis of [Si9(O,OH)27] is as follows: K0.99Na8.11Si9O18.10(OH)8.90·18.75H2O. The IR-spectrum and X-ray powder diffraction pattern are reported. The crystal structure of megacylite has been refined to Rhkl = 0.0339 for 8206 unique reflections with I > Ϭ2 (I). The mineral is monoclinic, space group P21/c, a = 24.8219(16), b = 11.9236(8), c = 14.8765(9) Å, β = 94.486(5)°; V = 4389.5(5) Å3. Structural formula is K2Na16Si18O34(OH)18[O0.75(OH)0.25]2(H2O)36[(H2O)0.75(OH)0.25]2 (Z = 2). The system of the hydrogen bonds is characterized in detail. читать далее...

Pdf icon.pngRaisa A. Vinogradova. On Composition and Nomenclature of the Loellingite-group Diarsenides, p. 93 - 95

The composition of loellingitegroup diarsenide minerals with wide range of Fe, Co, and Ni content is discussed. A nomenclature distinguishing mineral species loellingite, safflorite and rammelsbergite, and Cobearing loellingite, Nibearing loellingite, Febearing safflorite, Cobearing rammelsbergite, and Febearing rammelsbergiteis suggested. Chemical composition fields and Fe, Co, Ni concentration (at %) range in minerals and varieties are presented. This nomenclature allows to recognize features of individual compositions of the loellingitegroup diarsenides that corresponds to their names. читать далее...

Mineralogical Museums and Collections

Pdf icon.pngMarianna B. Chistyakova. Stone-cutting in the Urals. Articles of masters from Ekaterinburg in the Fersman Mineralogical Museum Russian Academy of Sciences, p. 97 - 113

A brief history of the Ekaterinburg cutting factory and manufactures of this factory, private works, and artisans from the Urals are described. читать далее...

Pdf icon.pngElena A. Borisova, Rolf Hollerbach. The Mineralogical Collection of the GeoMuseum, Cologne University, Germany, p. 114 - 119

Mineralogical exhibits of the GeoMuseum, Cologne University, and the history of this collection are described. читать далее...

Pdf icon.pngNina A. Mohova, Mikhail E. Generalov. General and His Collection. The Mineral Collection of G.P. Chernik at the Fersman Mineralogical Museum, RAS, p. 120 - 128

This article tells about a Russian Army MajorGeneral, Georgiy Prokofievich Chernik, who donated more than 300 mineral specimens to the Fersman Mineralogical Museum and describes the presentday condition of this collection. читать далее...

Pdf icon.pngMarianna B. Chistyakova. A Monogram on Basalt, p. 129 - 131

The article describes a legendary place of formation of one specimen from the Fersman Mineralogical Museum, a history of its appearance in Russia and Great Prince Konstantin Nikolaevich, his first owner. читать далее...

Pdf icon.pngMikhail E. Generalov. Is this a Regal Engagement? On the Mineral Collection of The Throne Crown Prince, p. 132 - 137

The collection which was transferred in 1923 from the Museum of the City (St. Petersburg) to the Fersman Mineralogical Museum was collected in the 1870s, during the reign of Alexander II. Initially, it was created for Alexander Alexandrovich, the Crown Prince (future Tsar Alexander III), then was enlarged and completed for Nikolai Alexandrovich (future Tsar Nikolai II) and likely used in his education.
The contents of the collection, the geographical distribution of its samples, and principles of their systematization enable us to reconstruct the state of mining and the level of Russian mineralogy in the middle of the nineteenth century. читать далее...


Pdf icon.pngElena A. Borisova, Tatyana M. Pavlova. 2006–2007: Jubilees and Their Heroes, p. 139 - 145

Mineralogical exhibits of the GeoMuseum, Cologne University, and the history of this collection are described. читать далее...

Pdf icon.pngSvetlana N. Nenasheva. Alexander Alexandrovich Godovikov. Life and Activity, p. 146 - 153

Scientific and administrative activity of well known scientist, doctor of geological and mineralogical sciences, professor A.A. Godovikov who was the director of Fersman Mineralogical Museum of RAS from 1984 to 1995 is described. Author recollects 32 years of collaboration with Godovikov. читать далее...

Pdf icon.png Professor Georgii Pavlovich Barsanov and V.I. Vernadsky and A.E. Fersman Mineralogical-Geochemical School, p. 154 - 156

Mineralogical Notes

Pdf icon.pngElena L. Sokolova, Ernst M. Spiridonov. Ca-bearing Strontianite, Barite, Dolomite, and Calcite from Metakimberlite, Zarnitsa pipe, Yakutia, p. 158 - 162

Strontianite from metakimberlite of the Zarnitsa pipe has been studied. According to mineral assemblages and carbon and oxygen isotopic composition, strontianite and associated minerals are hydrothermal metamorphic and have been formed at the posttrap zeolite facies lowgrade metamorphism of submergence. читать далее...

Pdf icon.pngTamara T. Abramova, Leili L. Panas'yan, Mikhail S. Chernov, Vyacheslav N. Sokolov, Vladimir M. Ladygin, Olga I. Gusarova, Ernst M. Spiridonov. Twisted Filiform Magnesian Calcite from Carbonate Rocks at Russian Platform, p. 163 - 167

Twisted whiskers of magnesian calcite occur in strongly dolomitized Kasimovian limestone in the Archangelsk Region and in the Podolian rocks of the Moscow area, in low magnesian Moscovian limestone in the Moscow area, and fragments of dolomitized limestone from the Don moraine at the outskirt of Moscow. Whiskers of calcite are epigenetic and result from water related to Quaternary glaciation of the Russian Platform. читать далее...

Pdf icon.png 'Fersmaniada–2008': Competition for the best scientific work by the young geologists and mineralogists, within the International conference 'Fersmanovskie chteniya', p. 168