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Mineralpedia Details for Willemseite

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Willemseite

Willemseite

Formula
Ni3Si4O10(OH)2 
Crystal System
Monoclinic 
Cleavage
Perfect, None, None 
Color
light green 
Streak
greenish white 
Class
Monoclinic - Prismatic 
Hardness
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Willemseite from Kolonodale Ni dep., Petasia, Sulawesi Tengah, Sulawesi, Indonesia

Willemseite
            from Kolonodale Ni dep., Petasia, Sulawesi Tengah, Sulawesi, Indonesia

Light green waxy crusts.

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