[Content and History] [Recent Issues] [Back Issues] [Subscriptions] [Contacts] See Also: [Diamond Crystals] [Excalibur Minerals] [Hudson Institute] [Minerals on CDROM] Mineral News was founded some twenty years ago and has developed a following of avid mineral collectors seeking timely information about new finds and other items of interest to the collector community. Articles are solicited from collector and scientific authors. General Idaite InformationCu5FeS6 |
Molecular Weight = 565.97 gm |
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Iron 9.87 % Fe |
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Copper 56.14 % Cu |
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Sulfur 33.99 % S |
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100.00 % |
Cu5Fe2+S6 |
A lamellar decomposition product of bornite, commonly associated with fine spindles of chalcopyrite, apparently of secondary origin as the first product of enrichment. |
Valid Species (Pre-IMA) 1958 |
Ida mine, Khan, and Tsumeb, Namibia. Link to MinDat.org Location Data. |
Named for the locality. |
Idaite |
ICSD 16552 ? |
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PDF 13-161 |
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Idaite Crystallographya:c = 1:4.34615 |
a = 3.9, c = 16.95, Z = 1; V = 223.27 Den(Calc)= 4.21 |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
By Intensity(I/Io): 3.134(1), 2.818(0.8), 1.887(0.65), |
| Physical Properties of IdaiteBrown, Copper red, Red. |
4.2 |
Opaque |
Inclusions - Generally found as inclusions in other minerals. |
Microscopic Crystals - Crystals visible only with microscopes. |
2.5-3.5 - Finger Nail-Copper Penny |
Metallic |
| Optical Properties of IdaiteStrong, reddish orange to reddish brown. |
Coppery red to pinchbeck brown. |
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| Calculated Properties of IdaiteBulk Density (Electron Density)=3.97 gm/cc |
note: Specific Gravity of Idaite =4.21 gm/cc. Fermion Index = 0.0046414341 |
Boson Index = 0.9953585659 PEIdaite = 29.94 barns/electron |
U=PEIdaite x rElectron Density= 118.91 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Idaite is Not Radioactive | Idaite Classification02.09.14.01 (02)Sulfides - Including Selenides and Tellurides |
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(02.09)where Am Bn Xp, with (m+n):p=1:1 |
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(02.09.14)Dana Group |
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02.CB.15a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.C - Metal Sulfides, M:S = 1:1 (and similar) |
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02.CB -With Zn, Fe, Cu, Ag, Au, etc |
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| Other Idaite InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
Links to other databases for Idaite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Idaite using: Visit our Advertisers for Idaite : B & L Fine MineralsDan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Excalibur Minerals Exceptional Minerals Fabre Minerals John Betts Fine Minerals Lapis Mineral Journal Mineral News UV Tools Wrights Rock Shop Translate Idaite Mineral Data : Ask about Idaite here : Print or Cut-and-Paste your Idaite Specimen Label here :
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