Chemistry:Alpeite
From HandWiki
| Alpeite | |
|---|---|
Alpeite crystals | |
| General | |
| Category | Mineral |
| Formula (repeating unit) | Ca4Mn3+2Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6 |
| Identification | |
| Color | Brownish red |
| Tenacity | Brittle |
| Mohs scale hardness | 5.5-6 |
| |re|er}} | Vitreous, Silky |
| Streak | Beige |
| Diaphaneity | Transparent |
| Specific gravity | 3.374 |
Alpeite (IMA symbol: Apt[1]) is a calcium manganese magnesium silicate mineral with the chemical formula Ca4Mn3+2Al2(Mn3+Mg)(SiO4)2(Si3O10)(V5+O4)(OH)6. It is named for its type locality, the Monte Alpe mine in Italy.[2]
References
- ↑ Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine 85 (3): 291–320. doi:10.1180/mgm.2021.43. Bibcode: 2021MinM...85..291W.
- ↑ Alpeite on mindat.org
