Dears Sirs and madams : Welcome to Tangshan HengHeng Trade Co.,Ltd. We are offering our client excellent kinds of fluorite . Fluorite (also called fluorspar) is a halide mineral composed of calcium fluoride, CaF2. It is an isometric mineral with a cubic habit, though octahedral and more complex isometric forms are not uncommon. It mainly used a flux in the manufacture of steel in basic open hearth, basic converter and electric hearth in metallurgic industry. It can enhance the fluidity of slag and promote the entry of sulfa and phosphor into slag, thus improve the quality of steel. It can also be used in metallurgy of non-ferrous metal, welding material, optical elements, decoration of lampsand lanterns and fluorspar carving craftwork. My company specializes in refractory material and can provide what you want.