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Uvarovite Mineral Data + |
General Uvarovite Information |
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| Ca3Cr2(SiO4)3 | |||
| Molecular Weight = 500.48 gm | |||
| Calcium 24.02 % Ca 33.61 % CaO | |||
| Chromium 20.78 % Cr 27.17 % CrO | |||
| Silicon 16.84 % Si 36.02 % SiO2 | |||
| Oxygen 38.36 % O | |||
| ______ ______ | |||
| 100.00 % 96.80 % = TOTAL OXIDE | |||
| Ca3Cr2(SiO4)3 | |||
| Metamorphosed chromite deposits. | |||
| Valid Species (Pre-IMA) 1832 | |||
| Central Urals, Russia. Link to MinDat.org Location Data. | |||
| Named after Count S. S. Uvarov (1765-1855), Russian statesman and ardent amateur mineral collector. | |||
| Chromium Garnet | |||
| ICSD 27368 | |||
| PDF 11-696 | |||
Uvarovite Image | |||
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Uvarovite Crystallography |
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| a = 12, Z = 8; V = 1,728.00 Den(Calc)= 3.85 | |||
| Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d | |||
| By Intensity(I/Io): 2.684(1), 2.999(0.7), 1.603(0.6), | |||
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Physical Properties of Uvarovite |
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| None | |||
| Green. | |||
| 3.4 - 3.8, Average = 3.59 | |||
| Transparent to translucent | |||
| Brittle - Generally displayed by glasses and most non-metallic minerals. | |||
| Crystalline - Fine - Occurs as well-formed fine sized crystals. | |||
| Crystalline - Fine - Occurs as well-formed fine sized crystals. | |||
| Lamellar - Thin laminae producing a lamellar structure. | |||
| 6.5-7 - Pyrite-Quartz | |||
| None. | |||
| Vitreous (Glassy) | |||
| Nonmagnetic | |||
| white | |||
Optical Properties of Uvarovite |
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| CI meas= -0.192 (Poor) - where the CI = (1-KPDmeas/KC) CI calc= -0.115 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2234,KPDmeas= 0.2389,KC= 0.2004 |
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| Isotropic, n=1.86. | |||
Calculated Properties of Uvarovite |
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relectron=3.78 gm/cc |
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| Fermion Index = 0.02811 Boson Index = 0.97189 |
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PEUvarovite = 8.23 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Uvarovite is Not Radioactive |
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Uvarovite Classification |
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| 51.4.3b.3 (51)Nesosilicate Insular SiO4 Groups Only | |||
| (51.4)with cations in [6] and >[6] coordination | |||
| (51.4.3b)Garnet group (Ugrandite series) | |||
| VIII/A.08-130 VIII - Silicates | |||
| VIII/A - Nesosilicates with [SiO4]4-groups, cations of octahedral and cubic orientation [8+6] | |||
| VIII/A.08 - Garnet group, Pyrope - Henritermierite | |||
Other Uvarovite Information |
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| NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Uvarovite : 1 - Am. Min. Crystal Structure Database 2 - Amethyst Galleries' Mineral Gallery 3 - Athena 4 - CalTech Mineral Spectroscopy 5 - EUROmin Project 6 - Ecole des Mines de Paris 7 - Google Images 8 - Google Scholar 9 - Handbook of Mineralogy (MinSocAm) 10 - Handbook of Mineralogy (UofA) 11 - MinDAT 12 - MinMax(Deutsch) 13 - MinMax(English) 14 - Mineral and Gemstone Kingdom 15 - Mineral of the Month 16 - Mineralienatlas (Deutsch) 17 - QUT Mineral Atlas 18 - Ruff.Info 19 - Scandinavian mineral gallery 20 - Tradeshop.com - The Rainbow of Gems 21 - UCLA - Petrography Thin-Sections 22 - University of Colorado - Mineral Structure Data 23 - WWW-MINCRYST 24 - theimage Search for Uvarovite using: Visit our Advertisers for Uvarovite : AA Mineral SpecimensB & L Fine Minerals Dan Weinrich Fine Minerals Dan Weinrich Auctions Excalibur Minerals Exceptional Minerals Fabre Minerals Greenside Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club MineralsWeb Fine Minerals The GeoZone Wrights Rock Shop Translate Uvarovite Mineral Data : Ask about Uvarovite here : Print or Cut-and-Paste your Uvarovite Specimen Label here :
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