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Guérinite

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Watches:
RGR786419

Guérinite

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: 
3.5 × 2.3 × 1 cm
Description

High quality combination small specimen with prefect definition of rare minerals from famous European locality Joachimsthal -Erzgebirge. Lustrous white tabular rosettes of Guérinite, high lustrous thin sprays of Picropharmacolite and small light-green balls of Hörnesite

Mineral Data
What's on the rock

Guérinite

Formula: 
Ca5(AsO4)2(HAsO4)2·9H2O
Strunz: 
8.CJ.75
Crystal System: 
Monoclinic
Hardness: 
1.5
Colour: 
Colorless
Streak: 
White
Type Locality: 
Daniel Mine (St. Daniel Mine), Neustädtel, Schneeberg District, Erzgebirge, Saxony, Germany