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Fairfieldite On Muscovite

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SHS30921

Fairfieldite On Muscovite

Description Tabs

Description
Locality: 
Cigana (Jocão), Galiléia, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 4.7 × 3.9 cm
Description

Small gray fairfieldite crystals on muscovite

Mineral Data
What's on the rock

Fairfieldite

Formula: 
Ca2(Mn2+,Fe2+)(PO4)2·2H2O
Strunz: 
8.CG.05
Hardness: 
3.5
Streak: 
White
Type Locality: 
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA

Muscovite

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