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Mineralpedia Details for Wermlandite

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Wermlandite

Wermlandite

Formula
Mg8Al2(OH)18(SO4)2ยท12H2
Crystal System
Trigonal 
Crystal Habit
Thin, Hexagonal, Platy 
Cleavage
Perfect, None, None 
Color
bluish, greenish gray 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Micaceous 
Hardness
1.5 
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Wermlandite from Långban, Filipstad, Värmland, Sweden

Wermlandite
            from Långban, Filipstad, Värmland, Sweden

Bluish platy, well-formed crystals less than 1mm.

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