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Acanthite Silver & Sphalerite

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WND860614

Acanthite Silver & Sphalerite

Ex Dr. Pešl Collection

Description Tabs

Description
Locality: 
Hongda Mine, Xiaoqinggou, Lingqiu County, Datong, Shanxi Province, China (Peoples Republic)
Class: 
Combination
Size Range: 
Cabinet (10-18 cm)
Size: 
10.5 × 7.3 × 4.7 cm
Description

A superfine specimen with countless intergrown, well developed crystals of Acanthite lining a large vug. The Acanthite is relatively sharp edged, partially multifaced and has a fine metallic sheen. On these Acanthite crystals there are numerous wires of native Silver with a fine metallic luster as well and a good patina. They are associated with gemmy, amber brown and multifaced Sphalerite. A beautiful combo.

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

Silver

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

Sphalerite

Formula: 
ZnS
Strunz: 
2.CB.05a
Crystal System: 
Isometric
Hardness: 
3.5 - 4.0
Wendel Minerals

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