Sulvanite
Mineral Cu3VS4
About it
Bronze-yellow copper-vanadium sulfide, usually massive or in small cubes. First found at Burra, South Australia; also known from Mercur, Utah.
- Type
- Mineral
- Group
- Sulfide
- Formula
- Cu3VS4
- Hardness (Mohs)
- 3.5
- Specific gravity
- 4–4.1
- Streak
- black
- Lustre
- metallic
- Crystal system
- Isometric (cubic)
- Colours
- bronze yellow
- Transparency
- opaque
- Cleavage and fracture
- perfect cubic; uneven fracture
Typical values: real specimens vary. For more, see mindat.org.