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Muscovite

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NST601461

Muscovite

Description Tabs

Description
Locality: 
Mangualde, Viseu District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 3 cm
Description

Very interesting roundish aggregates of muscovite in pegmatitic matrix.

Mineral Data
What's on the rock

Muscovite

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