Calcite Mineral Data + 
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- 14.1.1.1 Calcite CaCO3 R 3c 3 2/m
- 14.1.1.2 Magnesite MgCO3 R 3c 3 2/m
- 14.1.1.3 Siderite FeCO3 R 3c 3 2/m
- 14.1.1.4 Rhodochrosite MnCO3 R 3c 3 2/m
- 14.1.1.5 Sphaerocobaltite CoCO3 R 3c 3 2/m
- 14.1.1.6 Smithsonite ZnCO3 R 3c 3 2/m
- 14.1.1.7 Otavite CdCO3 R 3c 3 2/m
- 14.1.1.8 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
- V/B.02-10 Vaterite CaCO3 P 63/mmc 6/m 2/m 2/m
- V/B.02-20 Calcite CaCO3 R 3c 3 2/m
- V/B.02-30 Magnesite MgCO3 R 3c 3 2/m
- V/B.02-40 Siderite FeCO3 R 3c 3 2/m
- V/B.02-50 Rhodochrosite MnCO3 R 3c 3 2/m
- V/B.02-60 Smithsonite ZnCO3 R 3c 3 2/m
- V/B.02-70 Sphaerocobaltite CoCO3 R 3c 3 2/m
- V/B.02-80 Gaspeite (Ni,Mg,Fe)CO3 R 3c 3 2/m
- V/B.02-90 Otavite CdCO3 R 3c 3 2/m
General Calcite Information |
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 Chemical Formula: |
CaCO3 | ||
| Composition: |
Molecular Weight = 100.09 gm | ||
| Calcium 40.04 % Ca 56.03 % CaO | |||
| Carbon 12.00 % C 43.97 % CO2 | |||
| Oxygen 47.96 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
(CO3) | ||
| Environment: |
Found in sedimentary, igneous, and metamorphic rocks. | ||
| IMA Status: |
Valid Species (Pre-IMA) 1845 | ||
| Locality: |
Common world wide. Link to MinDat.org Location Data. | ||
| Name Origin: |
From the Latin, calx, meaning lime. | ||
| Synonym: |
Glendonite - pseudomorph | ||
| ICSD 73446 | |||
| Manganocalcite - variety | |||
| Nicols | |||
| PDF 5-586 | |||
| Travertine | |||
Calcite Image | |||
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Calcite Crystallography |
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| Axial Ratios: |
a:c = 1:3.41992 | ||
| Cell Dimensions: |
a = 4.989, c = 17.062, Z = 6; V = 367.78 Den(Calc)= 2.71 | ||
| Crystal System: |
Trigonal - Hexagonal ScalenohedralH-M Symbol (3 2/m) Space Group: R 3c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 3.035(1), 2.095(0.18), 2.285(0.18), | ||
| Forms:
Mouse |
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Crystal Structure:
Mouse |
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Physical Properties of Calcite |
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| Cleavage: |
[1011] Perfect, [1011] Perfect, [1011] Perfect | ||
| Color: |
Colorless, White, Pink, Yellow, Brown. | ||
| Density: |
2.71 | ||
| Diaphaniety: |
Transparent to translucent to opaque | ||
| Fracture: |
Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
| Habit: |
Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | ||
| Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. | ||
| Habit: |
Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite). | ||
| Hardness: |
3 - Calcite | ||
| Luminescence: |
Fluorescent. | ||
| Luster: |
Vitreous (Glassy) | ||
| Streak: |
white | ||
Optical Properties of Calcite |
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| Gladstone-Dale: |
CI meas= 0.004 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.004 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2096,KPDmeas= 0.2096,KC= 0.2104 |
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| Optical Data: |
Uniaxial (-), e=1.486, w=1.64-1.66, bire=0.1540-0.1740. | ||
Calculated Properties of Calcite |
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| Electron Density: |
relectron=2.71 gm/cc |
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| Fermion Index |
Fermion Index = 0.00209 Boson Index = 0.99791 |
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| Photoelectric: |
PECalcite = 5.06 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Calcite is Not Radioactive |
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Calcite Classification |
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| Dana Class: |
14.1.1.1 (14)Anhydrous Carbonates | ||
| (14.1)with Simple Formula A+ CO3 | |||
| (14.1.1)Calcite Group (Trigonal: R3¯c) | |||
| Strunz Class: |
V/B.02-20 V - Nitrates, Carbonates and Borates | ||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.02 - Calcite group | |||
Other Calcite Information |
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| References: |
NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
| See Also: |
Links to other databases for Calcite : 1 - Alkali-Nuts(English) 2 - Alkali-Nuts(Francais) 3 -Am. Min. Crystal Structure Database 4 - Amethyst Galleries' Mineral Gallery 5 - Applied Mineralogy 6 -Athena 7 - CalTech Mineral Spectroscopy 8 - Crocoite.com Mineral Locations 9 - EUROmin Project 10 - Franklin Minerals(Dunn) 11 - Franklin Minerals(Palache) 12 - Glendale Community College 13 -Google Images 14 -Google Scholar 15 -Handbook of Mineralogy (UofA) 16 - HyperPhysics 17 -MinDAT 18 -MinMax(Deutsch) 19 -MinMax(English) 20 - Mineral and Gemstone Kingdom 21 -Mineral of the Month 22 -Mineralienatlas (Deutsch) 23 - Minerals in Thin Section-University of North Carolina 24 -Minerals in Thin Sections-Humboldt State 25 - Minerals of Wisconsin 26 -NSDL Reciprocal Net (JAVA) 27 - Philatelic Mineralogy 28 -QUT Mineral Atlas 29 - Scandinavian mineral gallery 30 - Thin Sections - Brock University 31 - Tradeshop.com - The Rainbow of Gems 32 - UCLA - Petrography Thin-Sections 33 -University of Colorado - Mineral Structure Data 34 - University of Manchester - Mineral Structure 35 -University of Minnesota 36 - WWW-MINCRYST 37 - YupRocks 38 -École des Mines de Paris Search for Calcite using: Visit our Advertisers for Calcite : Translate Calcite Mineral Data : Ask about Calcite here : Print or Cut-and-Paste your Calcite Specimen Label here :
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