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Namibite On Bismutite

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GND48834

Namibite On Bismutite

Rare Mineral

Description Tabs

Description
Locality: 
A Lone Hand Mine, Malbon, Cloncurry Shire, Queensland, Australia
Size Range: 
Miniature (4.5-7 cm)
Size: 
5 × 3.2 × 3.1 cm
Description

Darker green microcrystals of namibite have formed on massive pale green bismutite in a milky quartz matrix.

These minerals were collected and identified by well known Australian geologist / mineralogist, Don Mcoll in 2007, and this specimen comes with one of his typed labels.

Mineral Data
What's on the rock

Namibite

Formula: 
Cu(BiO)2(VO4)(OH)
Strunz: 
8.BB.50
Crystal System: 
Monoclinic
Hardness: 
4.5 - 5.0
Type Locality: 
Mesopotamia 504, Mesopotamia Copper Valley, Khorixas District, Kunene Region, Namibia

Bismutite

Formula: 
(BiO)2CO3
Strunz: 
5.BE.25
Crystal System: 
Tetragonal
Hardness: 
2.5 - 3.5
Streak: 
Grey
Type Locality: 
Arme Hilfe Mine, Ullersreuth, Hirschberg, Vogtland, Thuringia, Germany
Gondwana Minerals