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Mineralpedia Details for Epistilbite

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Epistilbite

Epistilbite

Formula
Ca3(Si18Al6)O48ยท16H2
Crystal System
Triclinic 
Crystal Habit
Prismatic, Spherical, Twinning Common 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
white, yellowish white, reddish white, brownish white 
Streak
white 
Class
Triclinic - Pedial 
Fracture
Uneven 
Hardness
4-5 
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Epistilbite from Bombay, Maharashta, India

Epistilbite
            from Bombay, Maharashta, India

Stout clear to white, lustrous, thick tabulr crystal perched nicely in large zeolite vug on basalt matrix. This zeolite is the dimorph of Goosecreekite.

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