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Favreauite & Chalcomenite

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CR526233

Favreauite & Chalcomenite

Type Locality - RARE
Analysed

Description Tabs

Description
Locality: 
El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 1 × 0.8 cm
Description

Favreuaite is a very rare and brand new mineral species, named for Georges Favreau, amateur mineralogist, France with the chemical coposition of: PbBiCu6O4(SeO3)4(OH) · H2O

Typical tiny green, tabular microcrystals in several vugs of the krutaite ore matrix. With beautiful blue and sharp, gemmy chalcomenite crystals.

EDS/SEM analyzed specimen.

Mineral Data
What's on the rock

Favreauite

Formula: 
PbBiCu6O4(SeO3)4(OH)·H2O
Hardness: 
0.0
Type Locality: 
El Dragón mine, Antonio Quijarro Province, Potosí Department, Bolivia

Chalcomenite

Formula: 
CuSeO3·2H2O
Strunz: 
4.JH.05
Crystal System: 
Orthorhombic
Hardness: 
2.0 - 2.5
Type Locality: 
Cerro de Cacheuta, Sierra de Cacheuta, Mendoza, Argentina
Analysis
Analysis Report - only: Favreauite & Chalcomenite
Analysis Report - only: Favreauite & Chalcomenite
Analysis Report - only: Favreauite & Chalcomenite
Analysis Report - only: Favreauite & Chalcomenite
Analysis Report - only: Favreauite & Chalcomenite