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Kastningite & Rockbridgeite

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CLB100072

Kastningite & Rockbridgeite

Classic Locality

Description Tabs

Description
Locality: 
Bendada Mines, Bendada, Sabugal, Guarda District, Portugal
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.4 × 1.8 cm
Description

Fine sample of colorless kastningite crystals in black-green rockbridgeite .

Mineral Data
What's on the rock

Kastningite

Formula: 
(Mn2+,Fe2+,Mg)Al2(PO4)2(OH)2·8H2O
Strunz: 
8.DC.30
Crystal System: 
Triclinic
Hardness: 
1.0 - 2.0
Streak: 
White
Type Locality: 
Silbergrube, 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

Seller Information

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