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Zaïrite & Native Gold

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JYJ748938

Zaïrite & Native Gold

Description Tabs

Description
Locality: 
Tazna, Cerro Tazna, Atocha-Quechisla, Nor Chichas Province, Potosi Department, Bolivia
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.6 × 1.2 cm
Description

Very rich and good yellow zairite from the Tasna mine. SEM-EDS confirmed. Other minerals in this assemblage are well developed bismoclite, rooseveltite, bismutite, strengite and cassitierite. All are confirmed. Native Gold.

Significant crystal size for this species. 

Analysis attached. 

 

Mineral Data
What's on the rock

Zaïrite

Formula: 
BiFe3+3(PO4)2(OH)6
Strunz: 
8.BL.13
Crystal System: 
Trigonal
Hardness: 
4.5
Streak: 
White
Type Locality: 
Eta-Etu, Kivu, Democratic Republic of Congo (Zaïre)

Gold

Formula: 
Au
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0
Analysis
Analysis Report - only: Zaïrite & Native Gold
Analysis Report - only: Zaïrite & Native Gold