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Gedrite

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SHS590480

Gedrite

Description Tabs

Description
Locality: 
Skisshyttan, Smedjebacken, Dalarna County, Sweden
Class: 
Massive/Crystalline
Size Range: 
Cabinet (10-18 cm)
Size: 
11.8 × 0.5 × 8 cm
Description

Nice black gedrite crystals in matrix

Mineral Data
What's on the rock

Gedrite

Formula: 
☐{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2
Strunz: 
9.DD.05
Hardness: 
5.5 - 6.0
Streak: 
White
Type Locality: 
Gèdres, Héas valley, Luz-Saint-Sauveur, Hautes-Pyrénées, Midi-Pyrénées, France