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Muscovite Var Gilbertite

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SHS40684

Muscovite Var Gilbertite

ex. Dr. Krantz (Bonn/Germany)

Description Tabs

Description
Locality: 
Gunheath Pit, St Austell, Cornwall, United Kingdom
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 3.5 × 2.8 cm
Description

White piece of gilbertite

Mineral Data
What's on the rock

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Streak: 
White

Gilbertite

Variety Of: 

Muscovite

Formula: 
KAl2(AlSi3O10)(OH)2
Strunz: 
9.EC.15
Hardness: 
2.5
Hardness: 
0.0
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