[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery] John Betts - Fine Minerals Classic minerals, out-of-print books & magazines, plus informative articles for collectors 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 e-Rocks Auctions Excalibur Minerals Exceptional 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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