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Beyerite & Petitjeanite

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JYJ666755

Beyerite & Petitjeanite

Description Tabs

Description
Locality: 
Pucher Shaft, Schneeberg, Erzgebirge, Saxony, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 0.9 × 0.6 cm
Description

Greenish-yellow petitjeanite with brownish beyerite in quartz vugs. 

Old systematic collection. 

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

Petitjeanite

Formula: 
Bi3(PO4)2O(OH)
Strunz: 
8.BO.10
Crystal System: 
Triclinic
Hardness: 
4.5
Type Locality: 
Bergweg, Gadernheim, Lautertal (Odenwald), Odenwald, Hesse, Germany