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Pyrargyrite & Xanthoconite

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BCK671204

Pyrargyrite & Xanthoconite

Description Tabs

Description
Locality: 
Innai Mine, Ogachi, Yuzawa City, Akita Prefecture, Honshu Island, Japan
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.8 × 0.6 × 0.5 cm
Description

You are bidding on a small sample with some nice small red pyrargyrite (probably actually proustite) prisms with smaller orange xanthoconite crystals on siderite matrix from this very unusual locality for secondary silver species. From a very old micromount collection. 

Mineral Data
What's on the rock

Pyrargyrite

Formula: 
Ag3SbS3
Strunz: 
2.GA.05
Crystal System: 
Trigonal - Ditrigonal Pyramidal
Hardness: 
2.5

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

Seller Information

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