- Category
- Inosilicate
- Color
- Blue-black
- Hardness
- 6.0 to 6.5
- Luster
- Silky
- Cleavage
- 2 directions
- Fracture
- N/A
- Streak
- Gray
- Transparency
- Translucent
- Location
- China
- Date
- 2024-05
Dug out of gypsum that came with MDSGT. Birthday gift from M. and A..
Dug out of gypsum that came with MDSGT. Birthday gift from M. and A..