calcined brucite powder shows itself white or white yellow color, ... or white gray color.There are wide applications for brucite, it is not only a kind of high ... ideal not-toxic,smokeless,non-polluting flame retardant. Brucite can be usde as the raw material for making ... magnesium oxide,magnesium oxide and magnesia cement. calcined brucite powder shows itself white or white yellow color,can be ...