General Berdesinskiite Information Chemical Formula: |
V+++2TiO5 |
Composition: |
Molecular Weight = 229.76 gm |
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Titanium 20.84 % Ti 34.77 % TiO2 |
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Vanadium 44.34 % V 65.23 % V2O3 |
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Oxygen 34.82 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
V3+2TiO5 |
Environment: |
Weathered gneiss with kornerupine, schreyerite and tourmaline. |
IMA Status: |
Approved IMA 1981 |
Locality: |
Lasamba Hill, Kwale district, Voi, Kenya. Link to MinDat.org Location Data. |
Name Origin: |
Named for Waldemar Berdesinski (1911-1990), German mineralogist, University of Heidelberg. |
Name Pronunciation: |
Berdesinskiite + Pronunciation |
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Images:
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| | Berdesinskiite Crystallography Axial Ratios: |
a:b:c =1.9885:1:1.3827 |
Cell Dimensions: |
a = 10.11, b = 5.084, c = 7.03, Z = 4; beta = 111.46° V = 336.29 Den(Calc)= 4.54 |
Crystal System: |
MonoclinicSpace Group: P 2/c or Pc |
| Physical Properties of Berdesinskiite Color: |
Black, Reddish brown. |
Diaphaneity: |
Opaque |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
6-6.5 - Orthoclase-Pyrite |
Luster: |
Metallic |
Streak: |
black |
| Optical Properties of Berdesinskiite Optical Data: |
Biaxial (?) |
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NCalc= 2.45 - from Gladstone-Dale relationship (KC = 0.3186) where Ncalc=Dcalc*KC+1 |
RL Bireflectance: |
Weak. |
RL Color: |
Reddish brown. |
Reflectivity |
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| Calculated Properties of Berdesinskiite Electron Density: |
Bulk Density (Electron Density)=4.27 gm/cc |
note: Specific Gravity of Berdesinskiite =4.54 gm/cc. Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PEBerdesinskiite = 12.13 barns/electron |
U=PEBerdesinskiite x rElectron Density= 51.78 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Berdesinskiite is Not Radioactive | Berdesinskiite Classification Dana Class: |
07.07.02.01 (07)Multiple Oxides |
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(07.07)with miscellaneous formulae |
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(07.07.02)Dana Group |
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Strunz Class: |
04.CB.30 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.C - Metal:Oxygen = 2:3, 3:5, and Similar |
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04.CB -With medium-sized cations |
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| Other Berdesinskiite Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic3) |
See Also: |
Links to other databases for Berdesinskiite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - MinDAT 10 - Mineralienatlas (Deutsch) 11 - Online Mineral Museum 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Berdesinskiite using: Visit our Advertisers for Berdesinskiite : A Bijoux Google Search for BerdesinskiiteAdam's Minerals Google Search for Berdesinskiite Cape Minerals Google Search for Berdesinskiite Dakota Matrix Minerals Google Search for Berdesinskiite Excalibur Mineral Corp. Google Search for Berdesinskiite Exceptional Minerals Google Search for Berdesinskiite John Betts Fine Minerals Search for Berdesinskiite McDougall Minerals Google Search for Berdesinskiite Mineral News Website Link Rock and Mineral Shows Google Search for Berdesinskiite Weinrich Minerals, Inc. Google Search for Berdesinskiite Ask about Berdesinskiite here : Print or Cut-and-Paste your Berdesinskiite Specimen Label here :
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