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Beyerite

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RGR786417

Beyerite

Description Tabs

Description
Locality: 
Jáchymov, Krušné Hory, Karlovy Vary Region, Czech Republic
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 2 cm
Description

Group of botryoidal lemon yellow Beyerite crystals on quartz cavity. Size of cavity is to 0.8cm.

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