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Weishanite

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Weishanite

Description Tabs

Description
Locality: 
Keystone Mine, Magnolia, Boulder County, Colorado, United States of America
Class: 
Crystals on Matrix
Size Range: 
Micromount (under 1cm)
Size: 
0.1 × 0.1 × 0.1 cm
Description

Hexagonal gold metallic weishanite crystals on matrix. Weishanite is a gold-silver amalgam previously known only from two localities. This is the third and these are the by far best crystals I know. 

Please also have a look at the blog section of e-rocks. You will find a detailed report about weishanite there. 

This is a limited find with only a few specimens from an ancient mine.

Mineral Data
What's on the rock

Weishanite

Formula: 
(Au,Ag)3Hg2
Strunz: 
1.AD.20a
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Poshan Mine, Weishancheng ore field, Tongbai Co., Nanyang Prefecture, Henan Province, China