Mineralpedia Details for Gadolinite-(Y)
Gadolinite-(Y)
- Formula
- Be2Fe2+Y2Si2O10
- Crystal System
- Monoclinic
- Crystal Habit
- Massive, Crystalline - Poor, Prismatic
- Cleavage
- None, None, None
- Luster
- Vitreous - Greasy
- Color
- brown, green, green black, light green, black
- Streak
- greenish gray
- Class
- Monoclinic - Prismatic
- Fracture
- Splintery
- Hardness
- 6.5-7
- WebMineral
- View Gadolinite-(Y)
- Mindat
- View Gadolinite-(Y)
Gadolinite-(Y) from Ytterby, Resaro, Vaxholm, Stockholm, Sweden
- Special Info
- Type Locality
Black vitreous mass.
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