we are one of main supplier of synthetic cryolite from henan province,if you are interested in,pls let us know freely! Synthetic cryolite1> Properties: it is crystalline white powder. Slightly soluble in water, density 2.95-3, melting point 1000oC, easily absorbing water and become damp, decomposed by strong acids like sulfuric acid and hydrochloride, then producing hydrofluoric acid and relevant ...