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Mineralpedia Details for Greenalite

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Greenalite

Greenalite

Formula
(Fe2+,Fe3+)2-3Si2O5(OH)4 
Crystal System
Monoclinic 
Crystal Habit
Oolitic, Microscopic Crystals 
Cleavage
None, None, None 
Luster
Earthy (Dull) 
Color
blue green, light yellow green, dark green, black 
Streak
greenish gray 
Class
Monoclinic 
Hardness
2.5 
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