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Mineralpedia Details for Stilbite-Ca

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Stilbite-Ca

Stilbite-Ca

Formula
NaCa4(Si27Al9)O72ยท28H2
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 
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Stilbite-Ca from Prospect Park, Passaic Co., New Jersey, United States

Stilbite-Ca
            from Prospect Park, Passaic Co., New Jersey, United States

Brownish yellow blades of Stilbite to over 1cm.

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