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Stewartite Strunzite & Rockbridgeite

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SER885860

Stewartite Strunzite & Rockbridgeite

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Description
Locality: 
Cigana (Jocão), Galiléia, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5.5 × 3.3 cm
Description

several wonderful clusters of orange stewartite with golden needles of strunzite all on crystals of rockbridgeite ; self collected on 2009

Mineral Data
What's on the rock

Stewartite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
0.0
Streak: 
White
Type Locality: 
Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA

Strunzite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
4.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

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