Mineralpedia Details for Stilbite-Ca
Stilbite-Ca
- Formula
- NaCa4(Si27Al9)O72ยท28H2O
- Crystal System
- Monoclinic
- Crystal Habit
- Wheat Sheaf, Fibrous, Globular
- Cleavage
- Perfect, None, None
- Luster
- Vitreous - Pearly
- Color
- white, red, yellow, brown, cream
- Streak
- white
- Class
- Monoclinic - Prismatic
- Fracture
- Brittle - Conchoidal
- Hardness
- 3.5-4
- WebMineral
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Stilbite-Ca from Prospect Park, Passaic Co., New Jersey, United States
Brownish yellow blades of Stilbite to over 1cm.
Click thumbnail images for larger view.