Chemistry:Aksaite
From HandWiki
| Aksaite | |
|---|---|
| General | |
| Category | Nesoborates |
| Formula (repeating unit) | Mg[B6O7(OH)6]·2H2O |
| Strunz classification | 6.FA.05 |
| Dana classification | 26.6.4.1 |
| Crystal system | Orthorhombic Dipyramidal class |
| Space group | Orthorhombic H-M symbol: (2/m 2/m 2/m) Space group: Pbca |
| Identification | |
| Color | Colorless, white to pale grey |
| Cleavage | Distinct/Good; Probable on {100} and {010} |
| Mohs scale hardness | 2.5 |
| Streak | White |
| Diaphaneity | Transparent to translucent |
| Optical properties | Biaxial (-) |
| Birefringence | δ = 0.055 |
| 2V angle | Measured = 88°; Calculated = 78° |
| Dispersion | None |
| References | [1][2] |
Aksaite (Mg[B6O7(OH)6]·2H2O) is a mineral found in Kazakhstan.
Etymology and History
Aksaite is named after the place it was discovered, Ak-say (lit. White Glen). It was found in 1963 in Chelkar Salt Dome, Ak-say Valley, Kazakhstan.
References
- ↑ Mindat.org
- ↑ Webmineral.com Webmineral Data
- ↑ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine 85: 291–320. https://www.cambridge.org/core/journals/mineralogical-magazine/article/imacnmnc-approved-mineral-symbols/62311F45ED37831D78603C6E6B25EE0A.
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