- Category
- Fossil
- Color
- Brown, amber and grey
- Hardness
- 3
- Luster
- Vitreous (polished)
- Cleavage
- N/A
- Fracture
- Uneven
- Streak
- White
- Transparency
- Opaque
- Other names
- Ammonoid
- Location
- Zagreb
- Date
- 2025-04
Gift from S. from the UK, bought at the Mineral Expo Zagreb.