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. 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).