General Kolovratite Information Chemical Formula: |
Hydrous vanadate of Ni and Zn |
Composition: |
Molecular Weight = 196.67 gm |
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Vanadium 25.90 % V 46.24 % V2O5 |
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Zinc 24.94 % Zn 31.04 % ZnO |
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Nickel 7.46 % Ni 9.49 % NiO |
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Hydrogen 1.03 % H 9.16 % H2O |
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Oxygen 40.68 % O |
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______ ______ |
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100.00 % 95.93 % = TOTAL OXIDE |
Empirical Formula: |
Zn0.75Ni0.25(VO4)•(H2O) |
Environment: |
In quartz schists and carbonaceous slates. An inadequately described mineral. |
IMA Status: |
Valid Species (Pre-IMA) 1922 |
Locality: |
Kara-Chagyr and Uch-Kurgan, Ferghana, Turkestan. Link to MinDat.org Location Data. |
Name Origin: |
Named for Lev S. Kolovrat-Chervinsky (1884-1921), a Russian physicist. |
Name Pronunciation: |
Kolovratite + Pronunciation |
| | Kolovratite Image
Images:
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Kolovratite Crystallography Crystal System: |
MonoclinicSpace Group: ? |
X Ray Diffraction: |
By Intensity(I/Io): 3.88(1), 5.83(1), 11.6(1), |
| Physical Properties of Kolovratite Cleavage: |
{???} Indistinct |
Color: |
Greenish yellow, Yellow. |
Diaphaneity: |
Transparent |
Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. |
Habit: |
Botryoidal - "Grape-like" rounded forms (e.g.. malachite). |
Habit: |
Encrustations - Forms crust-like aggregates on matrix. |
Habit: |
Fibrous - Crystals made up of fibers. |
Hardness: |
2-3 - Gypsum-Calcite |
Luster: |
Vitreous (Glassy) |
Streak: |
light yellow |
| Optical Properties of Kolovratite Optical Data: |
Biaxial (?), b=1.577 |
| Calculated Properties of Kolovratite Fermion Index: |
Fermion Index = 0.01 |
Boson Index = 0.99 Photoelectric: |
PEKolovratite = 20.42 barns/electron |
U=PEKolovratite x rElectron Density= . barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Kolovratite is Not Radioactive | Kolovratite Classification Dana Class: |
40.05.13.01 (40)Hydrated Phosphates, etc |
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(40.05)with miscellaneous formulae |
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(40.05.13)Dana Group |
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Strunz Class: |
08.CB.50 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.C - Phosphates without Additional Anions, with H2O |
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08.CB -With only medium-sized cations, RO4:H2O = 1:1 |
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| Other Kolovratite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Kolovratite : |
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 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Kolovratite using: Visit our Advertisers for Kolovratite : A Bijoux Google Search for KolovratiteAdam's Minerals Google Search for Kolovratite Cape Minerals Google Search for Kolovratite Dakota Matrix Minerals Google Search for Kolovratite Excalibur Mineral Corp. Google Search for Kolovratite Exceptional Minerals Google Search for Kolovratite John Betts Fine Minerals Search for Kolovratite McDougall Minerals Google Search for Kolovratite Mineral News Website Link Rock and Mineral Shows Google Search for Kolovratite Weinrich Minerals, Inc. Google Search for Kolovratite Ask about Kolovratite here : Print or Cut-and-Paste your Kolovratite Specimen Label here :
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