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Jalpaite Acanthite & Native Silver

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SCH45273

Jalpaite Acanthite & Native Silver

Description Tabs

Description
Locality: 
Castrovirreyna District, Huancavelica Department, Peru
Size Range: 
Thumbnail (1-3cm)
Size: 
2.7 × 1.8 × 1.5 cm
Description

Very rich, highly lustrous black-metallic crystals of 1 mm , together with some acanthite crystals, on a matrix of tabular white barite crystals and festooned with dozens of native silver wires in all sides.

This is superb for the species.

Mineral Data
What's on the rock

Jalpaite

Formula: 
Ag3CuS2
Strunz: 
2.BA.45
Crystal System: 
Tetragonal - Ditetragonal Dipyramidal
Hardness: 
2.0 - 2.5
Streak: 
Black
Type Locality: 
Leonora Mine, Jalpa, Mun. de Jalpa, Zacatecas, Mexico

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

Silver

Formula: 
Ag
Strunz: 
1.AA.05
Crystal System: 
Isometric
Hardness: 
2.5 - 3.0

Seller Information

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