A vein of dark brown sections of yttrialite-(Y) in feldspar, with some thin coatings of white kimuraite-(Y)
BO_248
1 Item
Data sheet
- Locality
- Holmtjärn, Idkerberget, Dalarna, Sweden
- Size category
- Small cabinet
- Size (cm)
- 11x5x3
- Weight
- 160 g
- Formula
- (Y,Th)2Si2O7
- Properties
- Resinous-greasy appearance; dark brown; slightly radioactive