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Oldhamite Mineral Data + |
General Oldhamite Information |
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| (Ca,Mg,Fe)S | |||
| Molecular Weight = 72.14 gm | |||
| Calcium 50.00 % Ca | |||
| Magnesium 1.68 % Mg | |||
| Iron 3.87 % Fe | |||
| Sulfur 44.45 % S | |||
| ______ | |||
| 100.00 % | |||
| Ca0.9Mg0.05Fe2+0.05S | |||
| Fills the intersticies between silicates in enstatite chondrite and achondrite meteorites. | |||
| Valid Species (Pre-IMA) 1862 | |||
| Bustee meteorite, Gorakhpur, Basti distr., Uttar Pradesh, India. Link to MinDat.org Location Data. | |||
| Named for Thomas Oldham (1816-1878), Director of the Indian Geologial Survey (185o-1876). | |||
| ICSD 60200 | |||
| PDF 8-464 | |||
Oldhamite Image | |||
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Oldhamite Crystallography |
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| a = 5.686, Z = 4; V = 183.83 Den(Calc)= 2.61 | |||
| Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: F m3m | |||
| By Intensity(I/Io): 2.846(1), 2.013(0.7), 1.6439(0.21), | |||
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Mouse |
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Physical Properties of Oldhamite |
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| [001] Good | |||
| Light brown, Dark brown. | |||
| 2.58 | |||
| Transparent | |||
| Anhedral Grains - Granular minerals without the expression of crystal shapes | |||
| 4 - Fluorite | |||
| Sub Metallic | |||
Optical Properties of Oldhamite |
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| Isotropic, n=2.137. | |||
Calculated Properties of Oldhamite |
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relectron=2.60 gm/cc |
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| Fermion Index = 0.00651 Boson Index = 0.99349 |
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PEOldhamite = 9.62 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Oldhamite is Not Radioactive |
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Oldhamite Classification |
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| 2.8.1.5 (2)Sulfides - Including Selenides and Tellurides | |||
| (2.8)where Am Bn Xp, with (m+n):p=1:1 | |||
| (2.8.1)Galena Group (Isometric: Fm3m) | |||
| II/C.15-20 II - Sulfides and sulphosalts | |||
| II/C - Sulfides with metal: sulfur, selenium and tellurium = 1:1 | |||
| II/C.15 - Galenite group | |||
Other Oldhamite Information |
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| NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) | |||
| Links to other databases for Oldhamite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Oldhamite using: Visit our Advertisers for Oldhamite : Translate Oldhamite Mineral Data : Ask about Oldhamite here : Print or Cut-and-Paste your Oldhamite Specimen Label here :
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