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Roxbyite Mineral Data + |

General Roxbyite Information |
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| Cu1.78S | |||
| Molecular Weight = 145.18 gm | |||
| Copper 77.91 % Cu | |||
| Sulfur 22.09 % S | |||
| ______ | |||
| 100.00 % | |||
| Cu1.78S | |||
| Products of corrosion of a 1375 BC bronze harpoon head from a shipwreck. | |||
| Approved IMA 1988 | |||
| Roxby Downs, AS, Australia. Eastern Mediterranean Sea. Link to MinDat.org Location Data. | |||
| Named from the locality. | |||
Search for Roxbyite Images | |||
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Roxbyite Crystallography |
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| a:b:c =1.7407:1:0.4323 | |||
| a = 53.79, b = 30.9, c = 13.36, Z = 512; beta = 90° V = 22,205.80 Den(Calc)= 5.56 | |||
| Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m | |||
| By Intensity(I/Io): 1.933(1), 2.375(0.9), 1.857(0.8), | |||
Physical Properties of Roxbyite |
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| [100] Poor | |||
| Bluish black. | |||
| 5.555 | |||
| Opaque | |||
| Aggregates - Made of numerous individual crystals or clusters. | |||
| Powdery - Forms a loose, poorly-coherent pulverulent mass. | |||
| 2.5-3 - Finger Nail-Calcite | |||
| Metallic - Dull | |||
Optical Properties of Roxbyite |
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| Very weak. | |||
| White to off-shite with a blue tinge. | |||
Calculated Properties of Roxbyite |
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relectron=5.18 gm/cc |
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| Fermion Index = 0.00165 Boson Index = 0.99835 |
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PERoxbyite = 36.38 barns/electron |
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| GRapi = 0 (Gamma Ray American Petroleum Institute Units) Roxbyite is Not Radioactive |
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Roxbyite Classification |
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| 2.4.7.4 (2)Sulfides - Including Selenides and Tellurides | |||
| (2.4)where Am Bn Xp, with (m+n):p=2:1 | |||
| (2.4.7)Chalcocite Group ([Cu]2-x S] formulae) | |||
| II/B.01-40 II - Sulfides and sulphosalts | |||
| II/B - Sulfides with metal: sulfur, selenium and tellurium > 1:1, Coppersulfides Chalcocite group | |||
| II/B.01 - Chalcocite - Yarrowite series | |||
Other Roxbyite Information |
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| NAME( CanMin, 10/98) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) | |||
| Links to other databases for Roxbyite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - Crocoite.com Mineral Locations 4 - EUROmin Project 5 -Google Images 6 -Google Scholar 7 -Handbook of Mineralogy (UofA) 8 -MinDAT 9 -MinMax(Deutsch) 10 -MinMax(English) 11 -Mineralienatlas (Deutsch) 12 -QUT Mineral Atlas 13 -École des Mines de Paris Search for Roxbyite using: Visit our Advertisers for Roxbyite : Translate Roxbyite Mineral Data : Ask about Roxbyite here : Print or Cut-and-Paste your Roxbyite Specimen Label here :
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