Breithauptite
Mineral NiSb
Take care.
- Toxic: Wash your hands after handling it, don't lick or taste it, and don't make dust.
About it
Copper-red with a distinct violet tint, deeper in colour than nickeline; usually massive. Found in silver veins at Cobalt, Ontario, and Sankt Andreasberg, Germany.
- Type
- Mineral
- Group
- Antimonide, nickeline group
- Formula
- NiSb
- Hardness (Mohs)
- 5.5
- Specific gravity
- 7.5–8.7
- Streak
- reddish brown
- Lustre
- metallic
- Crystal system
- Hexagonal
- Colours
- light copper red with a violet tint
- Transparency
- opaque
- Cleavage and fracture
- none; uneven fracture
Typical values: real specimens vary. For more, see mindat.org.