General Information
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 Chemical Formula: |
Cu6Fe+++Bi+++O4(SO4)5·KCl |
| Composition: |
Molecular Weight = 1,264.97 gm) |
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| Empirical Formula: |
Cu6Fe3+BiO4(SO4)5(KCl) |
| IMA Status: |
Approved IMA 1985 |
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Classification
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| Dana Class: |
30.1.17.2 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen |
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(30.1)where (A B)m (XO4)p Zq· x(H2O), where m:p>2:1 |
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(30.1.17)Dana Group |
| Strunz Class: |
VI/B.07-20 VI - Sulfates,Chromates,Molybdates and Tungstates |
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VI/B - Waterfree sulfates [SO4]2- with unfamiliar anions. cations of medium size |
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VI/B.07 - Nabokoite - Atlasovite series |
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Crystallography
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| Axial Ratios: |
a:c = 1:2.08722 |
| Cell Dimensions: |
a = 9.86, c = 20.58, Z = 4; V = 2,000.78 Den(Calc)= 4.20 |
| Crystal System: |
Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P4/ncc |
| X Ray Diffraction: |
By Intensity(I/Io): 10.41(1) 2.446(0.8) 3.431(0.7) |
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Physical Properties
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| Cleavage: |
[???] Perfect |
| Color: |
dark brown. |
| Density: |
4.2 |
| Diaphaniety: |
Transparent |
| Hardness: |
2-2.5 - Gypsum-Finger Nail |
| Luster: |
Vitreous (Glassy) |
| Streak: |
light brown |
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Optical Properties
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| Optical Data: |
Uniaxial (-), e=1.776, w=1.783, bire=0.0070. |
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Other Information
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| References: |
PHYS. PROP.(Am.Min.,Vol.73,p927,1988) OPTIC PROP.(Am.Min.,Vol.73,p927,1988) |
| See Also: |
Links to other databases for Atlasovite :
1 -Athena Mineralogy
2 -MinDat.org Location Data
3 -MinMax
Search for Atlasovite using:
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Visit our Advertisers for Atlasovite :
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