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Claraite With Theisite & Azurite

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RSL544978

Claraite With Theisite & Azurite

Rare Mineral

Description Tabs

Description
Locality: 
Les Ferreres Mine, Rocabruna, Camprodon, Ripollès, Girona, Catalonia, Spain
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 5.2 × 4 cm
Description

Excellent groups formed by lamellar crystals of claraite, of an intense turquoise blue, on a matrix of dolomite and sulphides. It is accompanied by spheric aggregates of theisite crystals, with a bluish to green color. Also with azurite. Analysis results will be sent to the buyer.
Claraite is a rare copper and zinc carbonate which may contain sulfur and/or arsenic. Theisite is a rare copper and zinc arsenate-antimonate that has been described for the first time in this mine in the Catalan Pyrenees. These mineral species are the second citation in Spain.
We have published a book called "Rocabruna i el seu entorn. La mina de les Ferreres" where you could enjoy all species collected and determined until the date of publication (2014).

Mineral Data
What's on the rock

Claraite

Formula: 
(Cu,Zn)15(CO3)4(AsO4)2(SO4)(OH)14 · 7H2O
Strunz: 
5.DA.30
Crystal System: 
Triclinic
Hardness: 
0.0
Type Locality: 
Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany

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

Azurite

Formula: 
Cu3(CO3)2(OH)2
Strunz: 
5.BA.05
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Chessy copper mines, Chessy-les-Mines, Le Bois d'Oingt, Rhône, Rhône-Alpes, France...
Analysis
Analysis Report - only: Claraite With Theisite & Azurite
Analysis Report - only: Claraite With Theisite & Azurite