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Theisite

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CR883004

Theisite

Rare Mineral

Description Tabs

Description
Locality: 
Laochang Mine, Gejiu County, Yunnan Province, China (Peoples Republic)
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5 × 3.5 cm
Description

Theisite is a rare arsenate-antimonate of copper and zinc.

Excellent and very rich specimen of theisite where we can observe several globular clusters formed by lamellar crystals with an intense blue-green color.

With deep blue veszelyite crystals!

SEM-EDS analysed.
 

Mineral Data
What's on the rock

Theisite

Formula: 
Cu5Zn5(AsO4,SbO4)2(OH)14
Strunz: 
8.BE.75
Hardness: 
0.0
Streak: 
Off-white
Type Locality: 
Tuckerville prospects, Hinsdale Co., Colorado, USA