Mineralpedia Details for Crookesite
Crookesite
- Formula
- Cu7TlSe4
- Crystal System
- Tetragonal
- Crystal Habit
- Disseminated
- Cleavage
- Good, None, None
- Luster
- Metallic
- Color
- blue gray, brown pink, gray
- Class
- Tetragonal - Disphenoidal
- Fracture
- Brittle
- Hardness
- 2.5-3
- WebMineral
- View Crookesite
- Mindat
- View Crookesite
Crookesite from Bukov mine, Rožná deposit, Vysočina, Moravia, Czech Republic
Metallic blue-grey crystal grains throughout mass. Ex. Pequa Rare Minerals.
Click thumbnail images for larger view.
