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Mineralpedia Details for Gedrite

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Gedrite

Gedrite

Formula
[box]Mg2(Mg3Al2)(Si6Al2)O22(OH)2 
Crystal System
Orthorhombic 
Crystal Habit
Massive - Fibrous 
Cleavage
Perfect, Indistinct, Indistinct 
Luster
Vitreous - Silky 
Color
brown, brown green, green, gray, gray white 
Streak
gray white 
Class
Orthorhombic - Dipyramidal 
Hardness
5.5-6 
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Gedrite from Wagnerite Prospect, Midtre Havredal, Havredal, Bamle, Telemark, Norway

Gedrite
            from Wagnerite Prospect, Midtre Havredal, Havredal, Bamle, Telemark, Norway

Bluish black tightly compact crystals.

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