- Category
- Tectosilicate
- Color
- Deep blue
- Hardness
- 5 to 5.5
- Luster
- Vitreous
- Cleavage
- N/A
- Fracture
- Uneven
- Streak
- N/A
- Transparency
- Opaque
- 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..