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Acanthite

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QRI938166

Acanthite

Former B. Cerato (I)
Floater

Description Tabs

Description
Locality: 
Porco, Agua de Castilla, Quijarro Province, Potosi Department, Bolivia
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.4 × 1.9 × 1 cm
Weight: 
6.00gr
Description

A floater aggregate of acanthite from the classic Porco Mine. Rounded crystals of good size, with no matrix nor points of contact. On some areas, some tiny brilliant deep red crystals are present, prbably pyrargyrite.

In excellent conditions, quite sought-after material. Former late Bruno Cerato (Italy). 
 

Boxed with Label
Mineral Data
What's on the rock

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

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