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Bismutite

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GFM1000973

Bismutite

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Description Tabs

Description
Locality: 
Alto das Furnas, Equador, Rio Grande do Norte, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2 × 0.9 cm
Description

Pale brownish crystal aggregates as pseudomorphs after Bismuthinite crystals. This is an unusually well crystallized and extremely Iron-rich Bismutite with a chemistry of.

Mineral Data
What's on the rock

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
Not Sold