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Tinsleyite
- Formula
- KAl2(PO4)2(OH)·2H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Tabular
- Cleavage
- None, None, None
- Luster
- Vitreous (Glassy)
- Color
- dark red
- Streak
- pink
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle - Uneven
- Hardness
- 5
- WebMineral
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Tinsleyite from St John's quarry, Kapunda, South Australia, Australia
Bright red crude crystals of very very rare Tinsleyite. Tinsleyite was first found at the Tip Top pegmatite as dark magenta crystals. The yellow is the Meurigite.
Click thumbnail images for larger view.