Hermannjahnite
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| Hermannjahnite | |
|---|---|
| General | |
| Category | Sulfate |
| Formula | CuZn(SO4)2 |
| IMA symbol | Hjh[1] |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P21/n |
| Unit cell | a = 4.81, b = 8.48, c = 6.76 [Å], β = 93.04° (approximated) |
| Identification | |
| References | [2] |
Hermannjahnite is a rare sulfate mineral with the relatively simple formula CuZn(SO4)2. It is one of many fumarolic minerals discovered on the Tolbachik volcano.[2][3]