General Information
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 Chemical Formula: |
K2MnV4O12 |
| Composition: |
Molecular Weight = 528.89 gm) |
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| Empirical Formula: |
K2Mn2+V5+4O12 |
| IMA Status: |
Proposed IMA 1998 |
| Name Origin: |
Commission on New Minerals and Mineral Names (CNMMN) |
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Classification
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| Dana Class: |
4.0.0.0 (4)Oxide Minerals |
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(4.0)Without Dana Classification Numbers |
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(Unknown) |
| Strunz Class: |
IV/X.00-00 IV - Oxides |
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IV/X - Unclassified Strunz Oxides |
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IV/X.00 - Unknown |
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Crystallography
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| Axial Ratios: |
a:b:c =0.8842:1:0.9347 |
| Cell Dimensions: |
a = 8.173, b = 9.243, c = 8.64, beta = 109.7ø V = 614.49 |
| Crystal System: |
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P21/n |
| X Ray Diffraction: |
By Intensity(I/Io): 3.336(1) 2.752(0.68) 2.878(0.64) 3.701(0.55) 3.118(0.5) 3(0.36) 5.51(0.32) 1.86(0.28) 1.968(0.28) |
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Physical Properties
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| Color: |
reddish brown. |
| Diaphaniety: |
Translucent |
| Hardness: |
- |
| Luster: |
Adamantine |
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Optical Properties
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| Optical Data: |
Biaxial (?), a=1.925, b=1.96, g=1.988, bire=0.0630 |
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Other Information
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| References: |
NAME( CanMin, Vol 38) PHYS. PROP.(CanMin, Vol 38) OPTIC PROP.(CanMin, Vol 38) |
| See Also: |
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