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Microcline & Muscovite

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SHS19828

Microcline & Muscovite

Description Tabs

Description
Locality: 
Pitorra Claim, Laranjeiras, Galiléia, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 5.7 × 4.6 cm
Largest Crystal: 
1.80cm
Description

White microcline crystals with "star" muscovite

Mineral Data
What's on the rock

Microcline

Formula: 
KAlSi3O8
Strunz: 
9.FA.30
Crystal System: 
Triclinic - Pinacoidal
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Arendal, Aust-Agder, Norway

Muscovite

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