Mineralpedia Details for Kastningite
Kastningite
- Formula
- Mn2+Al2(PO4)2(OH)2ยท8H2O
- Crystal System
- Triclinic
- Crystal Habit
- Thin, Tabular
- Luster
- Vitreous (Glassy)
- Color
- white, beige, colorless
- Streak
- white
- Class
- Triclinic - Pinacoidal
- Hardness
- 1-2
- WebMineral
- View Kastningite
- Mindat
- View Kastningite
Kastningite from Silbergrube, Waidhaus, Bavaria, Germany
Colorless, thin bladed crystals with fans of Kingsmountite. Both are very minute, less than 0.2mm. Kastningite is a rather rare phosphate thus far found exclusively in pegmatites at less than ten localities worldwide. Kingsmountite is also a rare phosphate.
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