[What's New] [Mineral Galleries] [About Us] [Contacts] [Login] At AA Mineral Specimens, we source quality Mineral Specimens, Fossils, Gemstones, Decorative Stones, Lapidary Material and Specimen Sets world-wide General Olshanskyite InformationCa2[B3O3(OH)6]OH•3(H2O) |
Molecular Weight = 333.68 gm |
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Calcium 24.02 % Ca 33.61 % CaO |
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Boron 9.72 % B 31.30 % B2O3 |
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Hydrogen 3.93 % H 35.09 % H2O |
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Oxygen 62.33 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Ca2B3O3(OH)7•3(H2O) |
Skarn. |
Approved IMA 1969 |
Eastern Siberia, Russia. Link to MinDat.org Location Data. |
Named for Yakov I. Olshansky (1912-1958), Russian geochemist. |
Olshanskyite + Pronunciation |
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Olshanskyite Crystallographya:b:c =0.8055:1:0.7456 |
a = 7.953, b = 9.873, c = 7.362, Z = 2; alpha = 111°, beta = 94.65°, gamma = 107.53° V = 512.91 Den(Calc)= 2.16 |
Triclinic - PinacoidalH-M Symbol ( 1) Space Group: P1 |
By Intensity(I/Io): 2.81(1), 3.05(0.8), 7.61(0.5), |
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| Physical Properties of OlshanskyiteColorless, White, Light brown. |
2.19 - 2.23, Average = 2.21 |
Transparent |
Aggregates - Made of numerous individual crystals or clusters. |
Fibrous - Crystals made up of fibers. |
Microscopic Crystals - Crystals visible only with microscopes. |
4 - Fluorite |
Vitreous (Glassy) |
white |
| Optical Properties of OlshanskyiteCI meas= 0.006 (Superior) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.001 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2568,KPDmeas= 0.2557,KC= 0.2572 Ncalc = 1.56 - 1.57 Biaxial (-), a=1.557, b=1.568, g=1.57, bire=0.0130, 2V(Calc)=44, 2V(Meas)=54. Dispersion weak, r > v. |
| Calculated Properties of OlshanskyiteBulk Density (Electron Density)=2.27 gm/cc |
note: Specific Gravity of Olshanskyite =2.20 gm/cc. Fermion Index = 0.01 |
Boson Index = 0.99 PEOlshanskyite = 3.08 barns/electron |
U=PEOlshanskyite x rElectron Density= 6.99 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Olshanskyite is Not Radioactive | Olshanskyite Classification25.01.06.01 (25)Anhydrous Borates Containing Hydroxyl or Halogen |
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(25.01)Dana Type |
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(25.01.06)Dana Group |
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06.CA.55 06 - BORATES |
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06.C - Triborates |
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06.CA -Neso-triborates |
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| Other Olshanskyite InformationNAME( Dana8) PHYS. PROP.(Dana8, AmMin, Vol 86, p1115) OPTIC PROP.(Dana8) |
Links to other databases for Olshanskyite : |
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 - Handbook of Mineralogy (UofA) 9 - MinDAT 10 - MinMax(Deutsch) 11 - MinMax(English) 12 - Mineralienatlas (Deutsch) 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Olshanskyite using: Visit our Advertisers for Olshanskyite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals 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 Olshanskyite Mineral Data : Ask about Olshanskyite here : Print or Cut-and-Paste your Olshanskyite Specimen Label here :
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