Mineralpedia Details for Roedderite
Roedderite
- Formula
- KNaMg2(Mg3Si12)O30
- Crystal System
- Hexagonal
- Cleavage
- None, None, None
- Luster
- Vitreous (Glassy)
- Color
- blue green, colorless, yellow, reddish brown
- Streak
- white
- Class
- Hexagonal - Dihexagonal Dipyramidal
- Hardness
- 5-6
- WebMineral
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Roedderite from Satsuma-Ioujima, Mishima, Kagoshima, Japan
Blue anhedral crystals in grainy matrix.
Click thumbnail images for larger view.
