IDRIALIN, a mineral wax accompanying the mercury ore in Idria. According to Goldschmidt it can be extracted by means of xylol, amyl alcohol or turpentine; also without decomposi tion, by distillation in a current of hydrogen, or carbon dioxide. It is a white crystalline body, with difficulty fusible, boiling above 440° C. (824° F.), of the composition C.,0H_ O. Its solution in glacial acetic acid, by oxidation with chromic acid, yields a red powdery solid and a fatty acid fusing at 62° C., and exhibiting all the characters of a mixture of palmitic and stearic acids.