GE-221 · Crystal
Montmorillonite
Smectite
Uncommon
Renown Known
- Hardness
- 1.3 Mohs
- Renown
- 44
The trading card game of real things and invented ones: species, stars, minerals, anomalies. Rarity comes from public data.
Image : Robert M. Lavinsky · CC BY-SA 3.0 · source · data
