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Tschermakite

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SHS557293

Tschermakite

Description Tabs

Description
Locality: 
Kragerø, Vestfold og Telemark, Norway
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 0.5 × 0.2 cm
Description

Nice piecce of tschermakite

Mineral Data
What's on the rock

Tschermakite

Formula: 
☐(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2
Group Parent: 
Tschermakite Root Name
Strunz: 
8/F.10-60
Crystal System: 
Monoclinic
Hardness: 
5 - 6
Colour: 
Medium green to dark
Streak: 
Pale grey-green