Beige, fibrous mass of tokkoite with black aegirine, from the type locality
MM_0132
1 Item
Data sheet
- Locality
- Murun massif, Siberia, Russia
- Size category
- Miniature
- Size (cm)
- 5.4x1.5x2.2
- Weight
- 15 g
- Formula
- K2Ca4[Si7O18(OH)](OH,F)
- Properties
- Fibrous, acicular habit