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

三主要的品是温棉，棉铁棉。

The strengths decrease in order crocidolite chrysotile, amosite.

强度按棉，温棉，铁棉顺序下降。

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

组成矿物除叶蛇纤蛇外，有时含少量的白云、菱镁矿、透闪橄榄等。