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Dolomite Mineral Data + |
General Dolomite Information |
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| CaMg(CO3)2 | |||
| Molecular Weight = 184.40 gm | |||
| Calcium 21.73 % Ca 30.41 % CaO | |||
| Magnesium 13.18 % Mg 21.86 % MgO | |||
| Carbon 13.03 % C 47.73 % CO2 | |||
| Oxygen 52.06 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| CaMg(CO3)2 | |||
| Valid Species (Pre-IMA) 1791 | |||
| Link to MinDat.org Location Data. | |||
| Named after the French mineralogist and geologist, Deodat Guy Tancrede Gratet de Dolomieu (1750-1801). | |||
| ICSD 31336 | |||
| PDF 36-426 | |||
Dolomite Image | |||
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Dolomite Crystallography |
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| a:c = 1:3.29409 | |||
| a = 4.842, c = 15.95, Z = 3; V = 323.85 Den(Calc)= 2.84 | |||
| Trigonal - RhombohedralH-M Symbol ( 3) Space Group: R 3 | |||
| By Intensity(I/Io): 2.883(1), 1.785(0.6), 2.191(0.5), | |||
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Physical Properties of Dolomite |
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| [1011] Perfect, [1011] Perfect, [1011] Perfect | |||
| White, Gray, Reddish white, Brownish white, Gray. | |||
| 2.8 - 2.9, Average = 2.84 | |||
| Transparent to translucent | |||
| Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments. | |||
| Blocky - Rhombohedral - Crystal shape resembles rhomohedrons. | |||
| Crystalline - Coarse - Occurs as well-formed coarse sized crystals. | |||
| Massive - Uniformly indistinguishable crystals forming large masses. | |||
| 3.5-4 - Copper Penny-Fluorite | |||
| None. | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Dolomite |
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| none. | |||
| none. | |||
| CI meas= 0.006 (Superior) - where the CI = (1-KPDmeas/KC) CI calc= 0.003 (Superior) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2077,KPDmeas= 0.207,KC= 0.2083 |
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| Uniaxial (-), e=1.5, w=1.679-1.681, bire=0.1790-0.1810. | |||
Calculated Properties of Dolomite |
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relectron=2.83 gm/cc |
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| Fermion Index = 0.01515 Boson Index = 0.98485 |
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PEDolomite = 3.13 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Dolomite is Not Radioactive |
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Dolomite Classification |
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| 14.2.1.1 (14)Anhydrous Carbonates | |||
| (14.2)with Compound Formula A+ B++ (CO3)2 | |||
| (14.2.1)Dolomite Group (Trigonal: R3¯) | |||
| V/B.03-10 V - Nitrates, Carbonates and Borates | |||
| V/B - Waterfree carbonates [CO3]2- without unfamiliar anions | |||
| V/B.03 - Dolomite group | |||
Other Dolomite Information |
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| NAME( ODonoghue90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Ford32) | |||
| Links to other databases for Dolomite : 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 - Crocoite.com Mineral Locations 8 - EUROmin Project 9 - Franklin Minerals(Dunn) 10 - Franklin Minerals(Palache) 11 - Glendale Community College 12 -Google Images 13 -Google Scholar 14 -Handbook of Mineralogy (UofA) 15 - HyperPhysics 16 -MinDAT 17 -MinMax(Deutsch) 18 -MinMax(English) 19 -Mineralienatlas (Deutsch) 20 -Minerals in Thin Sections-Humboldt State 21 - Minerals of Wisconsin 22 -NSDL Reciprocal Net (JAVA) 23 - Philatelic Mineralogy 24 -QUT Mineral Atlas 25 - Scandinavian mineral gallery 26 -University of Colorado - Mineral Structure Data 27 - University of Manchester - Mineral Structure 28 -University of Minnesota 29 - WWW-MINCRYST 30 - YupRocks 31 -École des Mines de Paris Search for Dolomite using: Visit our Advertisers for Dolomite : Translate Dolomite Mineral Data : Ask about Dolomite here : Print or Cut-and-Paste your Dolomite Specimen Label here :
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