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Segnitite & Beudantite

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Segnitite & Beudantite

Type Locality

Description Tabs

Description
Locality: 
Kintore Open Cut, Broken Hill, New South Wales, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.5 × 4.6 × 4.1 cm
Description

Lime green coatings on quartz matrix of segnitite and or beudantite. It is impossible to diferenciate between these species optically, so every specimen needs to be laboratory tested to be sure.

On one side it forms a micro crystalline crust and on the other it forms weird boxwork type formations. Attractive material collected in the early 1990s.

Mineral Data
What's on the rock

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

Beudantite

Formula: 
PbFe3(AsO4)(SO4)(OH)6
Strunz: 
8.BL.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Type Locality: 
Louise Mine, Bürdenbach, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany
Gondwana Minerals