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Beyerite & Preisingerite

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JYJ216240

Beyerite & Preisingerite

EDS analysed

Description Tabs

Description
Locality: 
Schneeberg, Erzgebirge, Saxony, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3 × 2.7 cm
Description

EDS analysed beyerite and preisingerite on native bismuth from Schneeberg.

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

Preisingerite

Formula: 
Bi3(AsO4)2O(OH)
Strunz: 
8.BO.10
Hardness: 
3.0 - 4.0
Type Locality: 
San Francisco de los Andes mine, Calingasta, Calingasta Department, San Juan, Argentina