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Goethite On Anglesite

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Goethite On Anglesite

Collected by seller in 1989
Classic Locality

Description Tabs

Description
Locality: 
Kintore Open Cut, Broken Hill, New South Wales, Australia
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.8 × 1.8 cm
Description

Unique to Broken Hill are these large white 'cathedral' shaped anglesite crystals up to 1cm long coated by a thin layer of black goethite. In some places the coating has fallen away leaving the white anglesite underneath exposed.

Mineral Data
What's on the rock

Goethite

Formula: 
α-Fe3+O(OH)
Strunz: 
4.00.
Crystal System: 
Orthorhombic
Hardness: 
5.0 - 5.5
Type Locality: 
Hollertszug Mine (Hollerter Zug Mine), Dermbach, Herdorf, Siegerland, Rhineland-Palatinate, Germany

Anglesite

Formula: 
PbSO4
Strunz: 
7.AD.35
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Streak: 
Colorless
Type Locality: 
Parys Mountain Copper Mine, Anglesey, Wales, United Kingdom
Gondwana Minerals