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Bayldonite Conichalcite Mawbyite & Segnitite

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PJM82340

Bayldonite Conichalcite Mawbyite & Segnitite

Ex J & S Mommers Collection

Description Tabs

Description
Locality: 
Kintore Open Cut, Broken Hill, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 2.7 × 1.4 cm
Description

Bright green conichalcite is overgrown by  dark green bayldonite with yellowish segnitie and orange mawbyite. Collected in the Kintore Opencut in the early 1990's. The orange colour of the mawbyite is due to it being zinc rich.

This specimen has 2 species that share Kintore Opencut as the type locality: Segnitite and Mawbyite

Mineral Data
What's on the rock

Bayldonite

Formula: 
PbCu3(AsO4)2(OH)2
Strunz: 
8.BH.45
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Penberthy Croft Mine, St Hilary, Mount's Bay District, Cornwall, England, UK...

Conichalcite

Formula: 
CaCu(AsO4)(OH)
Strunz: 
8.BH.35
Crystal System: 
Orthorhombic
Hardness: 
4.5
Type Locality: 
Hinojosa del Duque, Córdoba, Andalusia, Spain

Mawbyite

Formula: 
Pb(Fe3+,Zn)2(AsO4)2·2(OH,H2O)
Strunz: 
8.CG.15
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia

Segnitite

Formula: 
PbFe3+3(AsO4)2(OH,H2O)6
Strunz: 
8.BL.10
Crystal System: 
Trigonal
Hardness: 
4.0
Type Locality: 
Kintore opencut, Broken Hill, Yancowinna Co., New South Wales, Australia
Earthstones Australia

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