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Calcite Mineral Data |
General Calcite Information |
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CaCO3 | ||
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Molecular Weight = 100.09 gm | ||
Calcium 40.04 % Ca 56.03 % CaO | |||
Carbon 12.00 % C 43.97 % CO2 | |||
Oxygen 47.96 % O | |||
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100.00 % 100.00 % = TOTAL OXIDE | |||
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(CO3) | ||
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Found in sedimentary, igneous, and metamorphic rocks. | ||
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Valid Species (Pre-IMA) 1845 | ||
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Common world wide. Link to MinDat.org Location Data. | ||
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From the Latin, calx, meaning lime. | ||
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Calcite ![]() |
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Glendonite - pseudomorph | ||
ICSD 73446 | |||
Manganocalcite - variety | |||
Nicols | |||
PDF 5-586 | |||
Parakutnohorite - intermediate composition between calcite and rhodochrosite | |||
Travertine | |||
Calcite Image | |||
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Calcite Crystallography |
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a:c = 1:3.41992 | ||
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a = 4.989, c = 17.062, Z = 6; V = 367.78 Den(Calc)= 2.71 | ||
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Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3c | ||
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By Intensity(I/Io): 3.035(1), 2.095(0.18), 2.285(0.18), | ||
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Mouse |
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Physical Properties of Calcite |
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{1011} Perfect, {1011} Perfect, {1011} Perfect | ||
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Colorless, White, Pink, Yellow, Brown. | ||
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2.71 | ||
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Transparent to translucent to opaque | ||
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Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | ||
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Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | ||
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Massive - Uniformly indistinguishable crystals forming large masses. | ||
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Stalactitic - Shaped like pendant columns as stalactites or stalagmites (e.g. calcite). | ||
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3 - Calcite | ||
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Fluorescent and phosphorescent, Short UV=yellow, blue, red green, Long UV=yellow, blue, red green. | ||
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Vitreous (Glassy) | ||
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white | ||
Optical Properties of Calcite |
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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 Ncalc = 1.57 |
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Uniaxial (-), e=1.486, w=1.64-1.66, bire=0.1540-0.1740. | ||
Calculated Properties of Calcite |
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Bulk Density (Electron Density)=2.71 gm/cc note: Specific Gravity of Calcite =2.71 gm/cc. |
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Fermion Index = 0.0020908312 Boson Index = 0.9979091688 |
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PECalcite = 5.06 barns/electron U=PECalcite x rElectron Density= 13.70 barns/cc. |
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GRapi = 0 (Gamma Ray American Petroleum Institute Units) Calcite is Not Radioactive |
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Calcite Classification |
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14.01.01.01 (14)Anhydrous Carbonates | ||
(14.01)with Simple Formula A+ CO3 | |||
(14.01.01)Calcite Group (Trigonal: R-3c) | |||
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05.AB.05 05 - CARBONATES (NITRATES) | ||
05.A - Carbonates without additional anions, without H2O | |||
05.AB -Alkali-earth (and other M2+) carbonates | |||
Other Calcite Information |
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NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | ||
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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 - Athena 6 - CalTech Mineral Spectroscopy 7 - EUROmin Project 8 - Ecole des Mines de Paris 9 - Franklin Minerals(Dunn) 10 - Franklin Minerals(Palache) 11 - GeoScienceWorld 12 - Glendale Community College 13 - Google Images 14 - Google Scholar 15 - Handbook of Mineralogy (MinSocAm) 16 - Handbook of Mineralogy (UofA) 17 - HyperPhysics 18 - MinDAT 19 - Mineral and Gemstone Kingdom 20 - Mineral of the Month 21 - Mineralienatlas (Deutsch) 22 - Minerals in Thin Section-University of North Carolina 23 - Minerals in Thin Sections-Humboldt State 24 - NSDL Reciprocal Net (JAVA) 25 - Online Mineral Museum 26 - Philatelic Mineralogy 27 - QUT Mineral Atlas 28 - Ruff.Info 29 - Scandinavian mineral gallery 30 - Tradeshop.com - The Rainbow of Gems 31 - UCLA - Petrography Thin-Sections 32 - University of Colorado - Mineral Structure Data 33 - WWW-MINCRYST 34 - YupRocks Search for Calcite using: Visit our Advertisers for Calcite : Ask about Calcite here : Print or Cut-and-Paste your Calcite Specimen Label here :
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