The trade groups jadeite into three basic types: Type A, Type B, and Type C.
T y p e A jadeite —Natural jadeite enhanced only with a surface coating of wax.
T y p e B jadeite —Natural jadeite that’s bleached in acid to remove undesirable staining, then impregnated with wax or polymers.
T y p e C jadeite —Natural jadeite that’s dyed and often bleached and impregnated with wax or polymers.