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Brendelite On Bismutoferrite

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CR176766

Brendelite On Bismutoferrite

Rare Mineral
Type Locality

Description Tabs

Description
Locality: 
Güldener Falk Mine, Neustädtel, Schneeberg, Saxony, Germany
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 4.3 × 3 cm
Description

Dark brown to black microcrystals of the very rare mineral Brendelite on a bed of yellow Bismutoferrite.

Rich specimen from the type locale of Brendelite.

Ex Peter Schlegel collection

Mineral Data
What's on the rock

Brendelite

Formula: 
(Bi3+,Pb)2(Fe3+,Fe2+)(PO4)O2(OH)
Strunz: 
8.BM.15
Crystal System: 
Monoclinic
Hardness: 
4.5
Type Locality: 
Güldener Falk Mine, Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany

Bismutoferrite

Formula: 
Fe3+2Bi(SiO4)2(OH)
Strunz: 
9.ED.25
Hardness: 
6.0
Type Locality: 
Schneeberg District, Erzgebirge, Saxony, Germany