Itelmenite
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| Itelmenite | |
|---|---|
| General | |
| Category | Sulfate |
| Formula | Na4Mg3Cu3(SO4)8 |
| IMA symbol | Itm[1] |
| Crystal system | Orthorhombic |
| Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
| Space group | Pbca |
| Unit cell | a = 9.57, b = 8.79 c = 28.72 [Å] (approximated) |
| Identification | |
| References | [2] |
Itelmenite is a rare sulfate mineral with the formula Na4Mg3Cu3(SO4)8. It is one of many fumarolic minerals discovered on the Tolbachik volcano.[2][3]
