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Correianevesite Rockbridgeite & Fairfieldite

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SER591198

Correianevesite Rockbridgeite & Fairfieldite

Type Locality

Description Tabs

Description
Locality: 
Cigana (Jocão), Galiléia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
1.8 × 1.5 × 0.6 cm
Description

Some fantastic groups or isolated crystals of correianevesite with black rockbridgeite and white fairfieldite; sel collected on 2016

Mineral Data
What's on the rock

Correianevesite

Formula: 
Fe2+Mn2+2(PO4)2·3H2O
Hardness: 
3.5 - 0.0
Streak: 
White
Type Locality: 
Jocão pegmatite (Cigana claim), Conselheiro Pena, Doce valley, Minas Gerais, Brazil

Rockbridgeite

Formula: 
Fe2+Fe3+4(PO4)3(OH)5
Strunz: 
8.BC.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Type Locality: 
Midvale Mine, South Mountain, Midvale, Rockbridge Co., Virginia, USA

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