Vanadiocarpholite
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| Vanadiocarpholite | |
|---|---|
| General | |
| Category | Mineral |
| Chemical formula | Mn+2V+3Al[(OH)4|Si2O6] |
| Crystal symmetry | mmm (2/m 2/m 2/m) - Dipyramidal |
| Unit cell | a = 13.83Å, b = 20.681Å, c = 5.188Å |
| Identification | |
| Color | pale-straw yellow, honey-yellow to brown |
| Crystal system | orthorhombic |
| Luster | vitreous, silky |
Vanadiocarpholite (Mn(II)V(III)Al(Si2O6)(OH)4) is straw yellow to brown mineral. It has an orthorhombic crystal system.
It consists of:
| Manganese | 15.56% | Mn | 20.09% | MnO |
| Aluminum | 7.64% | Al | 14.44% | Al2O3 |
| Vanadium | 14.43% | V | 21.23% | V2O3 |
| Silicon | 15.91% | Si | 34.04% | SiO2 |
| Hydrogen | 1.14% | H | 10.21% | H2O |
| Oxygen | 45.32% | O |
[edit] References
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