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Strunzite Rockbridgeite & Laueite

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CFL964738

Strunzite Rockbridgeite & Laueite

Description Tabs

Description
Locality: 
Big Chief Mine, Keystone, Glendale, Pennington County, South Dakota, United States of America
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2 × 2 cm
Description

Typical specimen of strunzite, rockbridgeite and laueite microcrystals.  From a small private collection.

Mineral Data
What's on the rock

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

Laueite

Formula: 
Mn2+Fe3+2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Hardness: 
3.0
Streak: 
White
Type Locality: 
Hagendorf South Pegmatite (Cornelia Mine; Hagendorf South Open Cut), Hagendorf, Waidhaus, Upper Palatinate, Bavaria, Germany

Seller Information

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