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Theisite & Claraite

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RSL544977

Theisite & Claraite

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: 
5.4 × 3.4 × 2.8 cm
Description

Globular aggregates formed by lamellar crystals of theisite. With a bluish to green color and brilliance. On a dolomite matrix with barite and chalcopyrite. This mineral species is the second citation in Spain. Theisite is a rare copper and zinc arsenate-antimonate that has been described for the first time in this mine in the Catalan Pyrenees. Accompanied by several azurite, transparent, bright, well-defined and some doubly terminated. Also with electric blue claraite crystals aggregates. Analysis results will be sent to the buyer.
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

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

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
Analysis
Analysis Report - only: Theisite & Claraite
Analysis Report - only: Theisite & Claraite