Alsakharovite-Zn
From Wikipedia, the free encyclopedia
CategoryMinerals
FormulaNaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O
IMA symbolAsk-Zn
ColorWhite, light brown, colourless
| Alsakharovite-Zn | |
|---|---|
| General | |
| Category | Minerals |
| Formula | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O |
| IMA symbol | Ask-Zn |
| Identification | |
| Color | White, light brown, colourless |
| Cleavage | None Observed |
| Fracture | Irregular/Uneven |
| Mohs scale hardness | 5 |
| Luster | Vitreous |
| Streak | White |
| Diaphaneity | Transparent, Translucent |
| Specific gravity | 2.9 |
Alsakharovite-Zn (IMA symbol: Ask-Zn[1]) is an extremely rare alkaline strontium zinc titanium silicate mineral from the cyclosilicates class, with the chemical formula NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O, from alkaline pegmatites. It belongs to the labuntsovite group.[2][3]
The mineral crystallizes in the monoclinic system with space group Cm.[4]