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Carminite & Segnitite

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SER597102

Carminite & Segnitite

Description Tabs

Description
Locality: 
Macieira, Cerva, Ribeira de Pena, Vila Real District, Portugal
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.1 × 1.5 × 1.2 cm
Description

Rich specimen featuring hundreds red crystals of carminite on yellow segnitite; self collected on 2010

Mineral Data
What's on the rock

Carminite

Formula: 
PbFe3+2(AsO4)2(OH)2
Strunz: 
8.BH.30
Crystal System: 
Orthorhombic
Hardness: 
3.5
Type Locality: 
Louise Mine, Bürdenbach, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany

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
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