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Beyerite & Bismutoferrite

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SYA566969

Beyerite & Bismutoferrite

Description Tabs

Description
Locality: 
Ullersreuth, Hirschberg, Vogtland, Thuringia, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.5 × 2 cm
Description

A vug, surrounded by green bismutoferrite, filled with good pearly white beyerite crystals.

Specimen from historic "Arme Hilfe" mine.

Found in 2005

Mineral Data
What's on the rock

Beyerite

Formula: 
Ca(BiO)2(CO3)2
Strunz: 
5.BE.35
Crystal System: 
Tetragonal Thin plates or compact earthy masses.
Hardness: 
2.0 - 3.0
Streak: 
white
Type Locality: 
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

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