It`s made from periclasite,magnesite aluminium spinel,chrome ore as raw material.

以方镁石、镁铝尖晶石、铬晶相的中性耐火制品。

Sometimes the composition mineral besides the antigorite and the chrysotile, contains the few dolomite, the magnesite, the tremolite and the olivine and so on.

成物除叶蛇纹石和纤蛇纹石外，有时含少量的白云石、菱镁、透闪石和橄榄石等。