Galena exploitation

After the washing the mineral looks as in the picture and is ready to be processed in mining-metallurgic plants where metallic bars are produced. This mineral is called galena and belongs to the sulfides, its colour is dark lead grey, its hardness is low 2.5 and its density relatively high 7.5g/cm3. When crystallized originates three well defined exgoliation layers. Galena is the mean lead mineral