NICE PIECE WITH VARIETY OF TYPES OF MINERALS. WE CAN SEE THE CARAMELED FLUORITE MATRIX, WITH DOLOMITES AND SEVERAL CALCITE CRYSTALS ON THE SIDES OF WHICH THREE LARGE SIZE, WITH PYRITE SPECKS. SPECTACULAR PIECE FOR COLLECTORS FROM ASTURIAS.
Fluorite is a group III mineral (halides) that according to the Strunz classification, formed the elements calcium and fluorine.
Its structure belongs to the cubic system, and it appears with a cubic, octahedral, and rhombododecahedral habit.
Fluorite has physical thermoluminescence and fluorescence properties.
In industry, it is mainly used in iron and steel metallurgy. It is used as a source of fluorine and hydrofluoric acid, also in the glazing of ceramics and in the manufacture of optical glasses.
The beauty of the specimens makes it a mineral much appreciated by museums and private collectors.
