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Zaïrite & Bismoclite

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JYJ977569

Zaïrite & Bismoclite

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: 
1.8 × 1.6 × 1.1 cm
Description

Yellow zairite with tabular bismoclite and bismutite from the Tazna mine, Bolivia.

SEM-EDS & Raman confirmed. 

Analysis on request. 

 

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)

Bismoclite

Formula: 
(BiO)Cl
Strunz: 
3.DC.25
Hardness: 
2.0 - 2.5
Type Locality: 
Jakkalswater (Jackal's Water; Noumas I pegmatite; Blesberg mine), Steinkopf, Namakwa District (Namaqualand), Northern Cape Province, South Africa...