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Marrite & Xanthoconite

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JYJ1045080

Marrite & Xanthoconite

Description Tabs

Description
Locality: 
Lengenbach Quarry, Binntal, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 3 × 2 cm
Description

Grey metallic marrite and xanthocone on dolomite from the Lengenbach quarry, Binn Valley,y Switzerland. 

Rare mineral. 

 

Mineral Data
What's on the rock

Marrite

Formula: 
AgPbAsS3
Strunz: 
2.JB.15
Hardness: 
3.0
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland

Xanthoconite

Formula: 
Ag3AsS3
Strunz: 
2.GA.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany