Stone Crusher Secondjualstone Crusher Secondly

Tin minerals.Tinstone is found in pegmatite dikes often called veins and in quartz veins in intrusive granite and in quartz porphyry these veins are also found in the slate and other stratified rocks intruded by the granite the granite in the neighborhood of the veins is altered to greisen a white or gray rock composed mostly of white mica and quartz.