Mineralitzacions de la mina “Potosí” o “El Cordel”, Aldeanueva de Sant Bartolomé, Toledo, Castella-la Manxa

2020 
espanolIn relation to the updating of the Spanish minerals collection carried out by the Museo Geominero, we visited the Potosi mine, also known as El Cordel mine, located in the municipality of Aldeanueva de San Bartolome (Toledo province, Spain). This mine presents a very particular Cu-Bi-Sn paragenesis and it was possible to find interesting specimens for the museum of different species such as libethenite, pseudomalachite, fluorapatite, bismuthite and mrazekite. Whereas this is the first Spanish locality where mrazekite has been reported, and also considering the occurrence of the rest of identified mineral species, it can be stated that this locality is one of the most interesting mineralogical sites from the Toledo province (Spain). catalaDurant els treballs d'actualitzacio de la col·leccio de minerals espanyols que esta realitzant el Museo Geominero, s'ha visitat la mina “Potosi” o “El Cordel”, localitzada en el municipi toleda d'Aldeanueva de San Bartolome. Aquesta mina presenta unes curioses paragenesis de Cu-Bi-Sn en les quals s'han pogut identificar i recol·lectar exemplars d'especies d'interes museistic, com libethenita, pseudomalaquita, fluorapatita, bismutita i mrazekita. El fet que sigui la primera ocurrencia contrastada de mrazekita a Espanya, afegit a la presencia de la resta de minerals identificats, permeten afirmar que aquest jaciment constitueix un dels llocs d'interes mineralogic de la provincia de Toledo
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