A small specimen with a cluster of small (2-3 mm), sharp, green narsarsukite crystals in fine-grained albite/aegirine
BO_189
1 Item
Data sheet
- Locality
- Igdlutalik, Narsaq, Kujalleq, Greenland
- Size category
- Small miniature
- Size (cm)
- 3x1.5x2
- Weight
- 11 g
- Formula
- Na4(Ti,Fe)2[Si8O20](O,OH,F)2
- Properties
- Vitreous; rectangular, euhedral crystals; green colour