Pääkkönenite is a metallic grey mineral with the molecular formula Sb2AsS2. It is named after Veikko Pääkkönen (1907–1980), a Finnish geologist.[2][3]
| Pääkkönenite | |
|---|---|
 | |
| General | |
| Category | Sulfide minerals |
| Formula (repeating unit) | Sb2AsS2 |
| IMA symbol | Pä[1] |
| Strunz classification | 2.DB.05 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/m |
| Identification | |
| Color | Grey |
| Tenacity | Brittle |
| Mohs scale hardness | 2.5 |
| Luster | Metallic |
| Streak | Grey with brownish tint |
| Diaphaneity | Opaque |
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