It is important as a source of the element fluorine and as a metallurgical flux in the manufacture of aluminum. Fluorite can be found as massive ore or crystals, as shown, it was mined for a number of years at St. Lawrence. Dimension Stone Dimension stone is any natural building stone that may be cut to specific size requirements. It can be rough or finished stone. Stone quarried in Newfoundland has been used in the St. John's Court House, the CN railway station, Cabot Tower on Signal Hill, the Anglican Cathedral, a number of local lighthouses and many more buildings around St. John's.
Grey granite blocks in a recently developed quarry.