Small, 2-3 mm, green narsarsukite crystals scattered in a fine-grained aegirine/albite matrix
BO_185
1 Item
Data sheet
- Locality
- Igdlutalik, Narsaq, Kujalleq, Greenland
- Size category
- Small miniature
- Size (cm)
- 4x3x2.5
- Weight
- 40 g
- Formula
- Na4(Ti,Fe)2[Si8O20](O,OH,F)2
- Properties
- Vitreous; rectangular, euhedral crystals; grass green colour