[Mineral Forums] [Minerals for Sale] [About Us] [En Espanol] [Mineral Gallery] Fabre Minerals - Europe's first Internet mineral dealer, on the web since 1996 General Belyankinite InformationCa1-2(Ti,Zr,Nb)5O12•9(H2O) (?) |
Molecular Weight = 711.83 gm |
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Calcium 7.32 % Ca 10.24 % CaO |
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Zirconium 10.25 % Zr 13.85 % ZrO2 |
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Titanium 23.54 % Ti 39.28 % TiO2 |
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Niobium 9.14 % Nb 13.07 % Nb2O5 |
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Hydrogen 2.55 % H 22.78 % H2O |
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Oxygen 47.20 % O |
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______ ______ |
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100.00 % 99.21 % = TOTAL OXIDE |
Ca1.3Ti3.5Zr0.8Nb0.7O12•9(H2O) |
Replacing murmanite in nepheline syenite pegmatite in an alkalic massif. |
Valid Species (Pre-IMA) 1950 |
Mt. Karnasurt, Lovozero Massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Named for Dmitry Stepanovich Belyankin (1876-1953), prominent Russian mineralogist and petrographer. |
Belyankinite + Pronunciation |
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Belyankinite Crystallography Amorphous- No Crystals |
By Intensity(I/Io): 1.69(1), 3.21(0.8), 2.48(0.6),1.361(0.5), 2.18(0.3), 1.633(0.2), |
| Physical Properties of Belyankinite{???} Perfect |
Yellow, Brownish yellow. |
2.32 - 2.4, Average = 2.36 |
Transparent to Opaque |
Brittle - Uneven - Very brittle fracture producing uneven fragments. |
Aggregates - Made of numerous individual crystals or clusters. |
Platy - Sheet forms (e.g. micas). |
2-3 - Gypsum-Calcite |
Vitreous - Greasy |
| Optical Properties of BelyankiniteCI meas= -0.02 (Excellent) - where the CI = (1-KPDmeas/KC) |
KPDmeas= 0.3239,KC= 0.3176 Ncalc = 1.74 - 1.76 Biaxial (-), a=1.74, b=1.772-1.78, g=1.775-1.78, bire=0.0350-0.0400, 2V(Calc)=0-32, 2V(Meas)=21-25. |
brown or dark brown. |
light brown or yellow brown. |
light brown or light brown. |
| Calculated Properties of BelyankiniteBulk Density (Electron Density)=2.32 gm/cc |
note: Specific Gravity of Belyankinite =2.36 gm/cc. Fermion Index = 0.04 |
Boson Index = 0.96 PEBelyankinite = 31.37 barns/electron |
U=PEBelyankinite x rElectron Density= 72.75 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Belyankinite is Not Radioactive | Belyankinite Classification08.07.08.01 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.07)Dana Type |
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(08.07.08)Belyankinite Group |
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04.FM.25 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FM -Hydroxides with H2O ± (OH); Unclassified |
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| Other Belyankinite InformationNAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3) |
Links to other databases for Belyankinite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - MinDAT 9 - MinMax(Deutsch) 10 - MinMax(English) 11 - Mineralienatlas (Deutsch) 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Belyankinite using: Visit our Advertisers for Belyankinite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Diamond Dan Publications Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Belyankinite Mineral Data : Ask about Belyankinite here : Print or Cut-and-Paste your Belyankinite Specimen Label here :
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