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Mineralpedia Details for Edingtonite

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Edingtonite

Edingtonite

Formula
Ba(Si3Al2)O10ยท4H2
Crystal System
Orthorhombic 
Crystal Habit
Pseudo Tetragonal, Prismatic, Massive 
Cleavage
Perfect, None, None 
Luster
Vitreous (Glassy) 
Color
brownish gray, colorless, gray, white, pink 
Streak
white 
Class
Orthorhombic - Disphenoidal 
Fracture
Uneven 
Hardness
4-5 
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Edingtonite from Jacupiranga mine, Cajati, São Paulo, Brazil

Edingtonite
            from Jacupiranga mine, Cajati, São Paulo, Brazil

Water clear, colorless orthorhombic pseudocubic crystals to about 0.75mm covering white Natrolite crytsals to 3mm. Nice specimen of this relatively rare zeolite containing barium.

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