Safflorite
Formula | (Co, Fe)As2 |
Origin | Mackenheim, Bergstraße (Germany) |
Description | an etched massive piece of löllingite with safflorite |
Classification (Lapis) | Sulfides |
Crystal System | Orthorhombic |
Hardness | 4,5 – 5,0 |
Colour | Tin-white, readily tarnishes to dark gray; in polished section, white |
Streak | Grayish black |
Luminescence | none observed |
Lustre | Metallic |
Transparency (Opacity) | Opaque |
Cleavage | Distinct |
Fracture | Uneven to conchoidal |
Magnetism | |
Geological Setting | In hydrothermal veins of moderate temperature and pressure. |
Specific Gravity | 7,1 g/cm3 |
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#© Mark Holtkamp