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Argyrodite & Acanthite

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PJM104528

Argyrodite & Acanthite

Description Tabs

Description
Locality: 
San Juan de Rayas Mine, Guanajuato, Guanajuato Municipality, Guerrero, Mexico
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.7 × 2.2 × 2.1 cm
Description

A group of rounded silvery black argyrodite crystals and masses with bright acanthite crystals, a remaninent of the calcite matrix and a few red spots of pyrargyrite. Also along one side are a few half hidden blades of polybasite. Overall a very interesting silver sulfosalt specimen.

Mineral Data
What's on the rock

Argyrodite

Formula: 
Ag8GeS6
Strunz: 
2.BA.70
Hardness: 
2.5 - 3.0
Type Locality: 
Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Saxony, Germany

Acanthite

Formula: 
Ag2S
Strunz: 
2.BA.35
Crystal System: 
Monoclinic - Prismatic
Hardness: 
2.0 - 2.5
Streak: 
lead grey
Type Locality: 
Jáchymov (St Joachimsthal), Jáchymov District (St Joachimsthal), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Earthstones Australia

Seller Information

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All goods must be paid for prior to shipping, all bids are binding.