General Idaite Information Chemical Formula: |
Cu5FeS6 |
Composition: |
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 % |
Empirical Formula: |
Cu5Fe2+S6 |
Environment: |
A lamellar decomposition product of bornite, commonly associated with fine spindles of chalcopyrite, apparently of secondary origin as the first product of enrichment. |
IMA Status: |
Valid Species (Pre-IMA) 1958 |
Locality: |
Ida mine, Khan, and Tsumeb, Namibia. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Idaite |
Synonym: |
ICSD 16552 ? |
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PDF 13-161 |
| | Idaite Image
Images:
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Idaite Crystallography Axial Ratios: |
a:c = 1:4.34615 |
Cell Dimensions: |
a = 3.9, c = 16.95, Z = 1; V = 223.27 Den(Calc)= 4.21 |
Crystal System: |
Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc |
X Ray Diffraction: |
By Intensity(I/Io): 3.134(1), 2.818(0.8), 1.887(0.65), |
| Physical Properties of Idaite Color: |
Brown, Copper red, Red. |
Density: |
4.2 |
Diaphaneity: |
Opaque |
Habit: |
Inclusions - Generally found as inclusions in other minerals. |
Habit: |
Microscopic Crystals - Crystals visible only with microscopes. |
Hardness: |
2.5-3.5 - Finger Nail-Copper Penny |
Luster: |
Metallic |
| Optical Properties of Idaite RL Anisotrophism: |
Strong, reddish orange to reddish brown. |
RL Color: |
Coppery red to pinchbeck brown. |
Reflectivity |
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| Calculated Properties of Idaite Electron Density: |
Bulk Density (Electron Density)=3.97 gm/cc |
note: Specific Gravity of Idaite =4.21 gm/cc. Fermion Index: |
Fermion Index = 0.0046414341 |
Boson Index = 0.9953585659 Photoelectric: |
PEIdaite = 29.94 barns/electron |
U=PEIdaite x rElectron Density= 118.91 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Idaite is Not Radioactive | Idaite Classification Dana Class: |
02.09.14.01 (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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Strunz Class: |
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 Information References: |
NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
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 : A Bijoux Google Search for IdaiteAdam's Minerals Google Search for Idaite Cape Minerals Google Search for Idaite Dakota Matrix Minerals Google Search for Idaite Excalibur Mineral Corp. Google Search for Idaite Exceptional Minerals Google Search for Idaite John Betts Fine Minerals Search for Idaite McDougall Minerals Google Search for Idaite Mineral News Website Link Rock and Mineral Shows Google Search for Idaite Weinrich Minerals, Inc. Google Search for Idaite Ask about Idaite here : Print or Cut-and-Paste your Idaite Specimen Label here :
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