Alpersite (IMA symbol: Aps[1]) is a magnesium copper sulfate mineral with the chemical formula (Mg,Cu)[SO4]·7H2O. It is named for United States Geological Survey geochemist Charles N. Alpers.[2]
| Alpersite | |
|---|---|
 Alpersite crystals (white) with slavíkite | |
| 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 |
References edit
- ^ Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Alpersite Archived 2019-03-26 at the Wayback Machine on mindat.org
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