Alpersite | |
---|---|
General | |
Category | Mineral |
Formula (repeating unit) | (Mg,Cu)[SO4]·7H2O |
IMA symbol | Aps |
Identification | |
Color | Blue, pale blue, whitish, turquoise |
Fracture | Irregular/Uneven |
Tenacity | Brittle |
Mohs scale hardness | 2.5 |
Luster | Vitreous |
Streak | White |
Diaphaneity | Transparent |
Specific gravity | 1.820 |
Alpersite ( IMA symbol: Aps [1]) is a magnesium copper sulfate mineral with the chemical formula (Mg,Cu)[SO4]·7H2O. It is named after United States Geological Survey geochemist Charles N. Alpers and was first described in 2006. [2]