| Callaghanite Mineral Data |
General Callaghanite Information |
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| Cu2Mg2(CO3)(OH)6·2(H2O) | |||
| Molecular Weight = 373.79 gm | |||
| Magnesium 13.00 % Mg 21.57 % MgO | |||
| Copper 34.00 % Cu 42.56 % CuO | |||
| Hydrogen 2.70 % H 24.10 % H2O | |||
| Carbon 3.21 % C 11.77 % CO2 | |||
| Oxygen 47.08 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Cu2Mg2(CO3)(OH)6·2(H2O) | |||
| Valid Species (Pre-IMA) 1954 | |||
| Link to MinDat.org Location Data. | |||
| ICSD 28268 | |||
| PDF 11-332 | |||
Callaghanite Image | |||
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Callaghanite Crystallography |
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| a:b:c =0.8525:1:0.6983 | |||
| a = 10.06, b = 11.8, c = 8.24, Z = 4; beta = 107.3° V = 933.90 Den(Calc)= 2.66 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | |||
| By Intensity(I/Io): 6.17(1), 7.45(1), 3.87(0.9), | |||
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Mouse |
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Physical Properties of Callaghanite |
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| [111] Perfect, [111] Perfect | |||
| Azure, Violet blue. | |||
| 2.71 | |||
| Transparent | |||
| Brittle - Uneven - Very brittle fracture producing uneven fragments. | |||
| 3-3.5 - Calcite-Copper Penny | |||
| Vitreous (Glassy) | |||
| white | |||
Optical Properties of Callaghanite |
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| CI meas= -0.047 (Good) - where the CI = (1-KPDmeas/KC) CI calc= -0.067 (Fair) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2371,KPDmeas= 0.2327,KC= 0.2223 |
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| Biaxial (-), a=1.559, b=1.653, g=1.68, bire=0.1210, 2V(Calc)=52, 2V(Meas)=55. | |||
Calculated Properties of Callaghanite |
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relectron=2.70 gm/cc |
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| Fermion Index = 0.01358 Boson Index = 0.98642 |
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PECallaghanite = 14.80 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Callaghanite is Not Radioactive |
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Callaghanite Classification |
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| 16b.5.1.1 (16b)Carbonates - Hydroxyl or Halogen | |||
| (16b.5)with miscellaneous formulae | |||
| (16b.5.1)Dana Group | |||
| V/E.07-10 V - Nitrates, Carbonates and Borates | |||
| V/E - Water-bearing carbonates with unfamiliar anions | |||
| V/E.07 - Claraite series | |||
Other Callaghanite Information |
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| PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Callaghanite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 - HyperPhysics 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 - WWW-MINCRYST 14 -École des Mines de Paris Search for Callaghanite using: Visit our Advertisers for Callaghanite : Translate Callaghanite Mineral Data : Ask about Callaghanite here : Print or Cut-and-Paste your Callaghanite Specimen Label here :
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