| Alpeite | |
| Formula: | CaMnAl(MnMg)(SiO)(SiO)(VO)(OH) |
| Imasymbol: | Apt |
| Color: | Brownish red |
| Tenacity: | Brittle |
| Mohs: | 5.5-6 |
| Luster: | Vitreous, Silky |
| Streak: | Beige |
| Diaphaneity: | Transparent |
| Gravity: | 3.374 |
Alpeite (IMA symbol: Apt[1]) is a calcium manganese magnesium silicate mineral with the chemical formula CaMnAl(MnMg)(SiO)(SiO)(VO)(OH). It is named for its type locality, the Monte Alpe mine in Italy.[2]