Uvarovite Mineral Data + 
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- 51.4.3b.1 Andradite Ca3Fe2(SiO4)3 I a3d 4/m 3 2/m
- 51.4.3b.2 Grossular Ca3Al2(SiO4)3 I a3d 4/m 3 2/m
- 51.4.3b.3 Uvarovite Ca3Cr2(SiO4)3 I a3d 4/m 3 2/m
- 51.4.3b.4 Goldmanite Ca3(V,Al,Fe)2(SiO4)3 I a3d 4/m 3 2/m
- 51.4.3b.5 Yamatoite? (Mn,Ca)3(V,Al)2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-10 Pyrope Mg3Al2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-20 Almandine Fe3Al2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-30 Spessartine Mn3Al2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-40 Calderite (Mn,Ca)3(Fe,Al)2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-50 Knorringite Mg3Cr2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-60 Majorite Mg3(Fe,Al,Si)2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-70 Grossular Ca3Al2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-80 Hibschite Ca3Al2(SiO4)3-x(OH)4x(x=0.2-1.5) I a3d 4/m 3 2/m
- VIII/A.08-90 Katoite Ca3Al2(SiO4)3-x(OH)4xx=1.5-3 I a3d 4/m 3 2/m
- VIII/A.08-100 Hydrougrandite? (Ca,Mg,Fe)3(Fe,Al)2(SiO4)3-x(OH)4x I a3d 4/m 3 2/m
- VIII/A.08-110 Andradite Ca3Fe2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-120 Schorlomite Ca3(Ti,Fe,Al)2[(Si,Fe,Fe)O4]3 I a3d 4/m 3 2/m
- VIII/A.08-125 Morimotoite Ca3TiFeSi3O12 I a3d 4/m 3 2/m
- VIII/A.08-130 Uvarovite Ca3Cr2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-138 Yamatoite! (Mn,Ca)3(V,Al)2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-140 Goldmanite Ca3(V,Al,Fe)2(SiO4)3 I a3d 4/m 3 2/m
- VIII/A.08-150 Kimzeyite Ca3(Zr,Ti)2(Si,Al,Fe)3O12 I a3d 4/m 3 2/m
- VIII/A.08-160 Henritermierite Ca3(Mn,Al)2(SiO4)2(OH)4 I 41/acd 4/m 2/m 2/m
General Uvarovite Information |
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 Chemical Formula: |
Ca3Cr2(SiO4)3 | ||
| Composition: |
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 | |||
| Empirical Formula: |
Ca3Cr2(SiO4)3 | ||
| Environment: |
Metamorphosed chromite deposits. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1832 | ||
| Locality: |
Central Urals, Russia. Link to MinDat.org Location Data. | ||
| Name Origin: |
Named after Count S. S. Uvarov (1765-1855), Russian statesman and ardent amateur mineral collector. | ||
| Synonym: |
Chromium Garnet | ||
| ICSD 27368 | |||
| PDF 11-696 | |||
Uvarovite Image | |||
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Images:
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Uvarovite Crystallography |
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| Cell Dimensions: |
a = 12, Z = 8; V = 1,728.00 Den(Calc)= 3.85 | ||
| Crystal System: |
Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I a3d | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.684(1), 2.999(0.7), 1.603(0.6), | ||
| Forms:
Mouse |
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Crystal Structure:
Mouse |
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Physical Properties of Uvarovite |
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| Cleavage: |
None | ||
| Color: |
Green. | ||
| Density: |
3.4 - 3.8, Average = 3.59 | ||
| Diaphaniety: |
Transparent to translucent | ||
| Fracture: |
Brittle - Generally displayed by glasses and most non-metallic minerals. | ||
| Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. | ||
| Habit: |
Crystalline - Fine - Occurs as well-formed fine sized crystals. | ||
| Habit: |
Lamellar - Thin laminae producing a lamellar structure. | ||
| Hardness: |
6.5-7 - Pyrite-Quartz | ||
| Luminescence: |
None. | ||
| Luster: |
Vitreous (Glassy) | ||
| Magnetism: |
Nonmagnetic | ||
| Streak: |
white | ||
Optical Properties of Uvarovite |
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| Gladstone-Dale: |
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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| Optical Data: |
Isotropic, n=1.86. | ||
Calculated Properties of Uvarovite |
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| Electron Density: |
relectron=3.78 gm/cc |
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| Fermion Index |
Fermion Index = 0.02811 Boson Index = 0.97189 |
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| Photoelectric: |
PEUvarovite = 8.23 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Uvarovite is Not Radioactive |
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Uvarovite Classification |
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| Dana Class: |
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) | |||
| Strunz Class: |
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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| References: |
NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
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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