The strengths decrease in order crocidolite chrysotile, amosite.

强度按青石棉，石棉，铁石棉顺序下降。

The three most important varieties are chrysotile, crocidolite and amosite.

三最石棉，青石棉和铁石棉。

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

组成矿物除叶蛇纹石和纤蛇纹石外，有时含少量白云石、菱镁矿、透闪石和橄榄石等。