- Category
- Chalcedony
- Color
- Grey, cream and yellow banded
- Hardness
- 6.5 to 7
- Luster
- Vitreous
- Cleavage
- N/A
- Fracture
- Conchoidal
- Streak
- White
- Transparency
- Translucent
- Location
- Zagreb
- Date
- 2023-12
Christmas advent calendar gift from M. and A.
Christmas advent calendar gift from M. and A.