allotriomorphic crystal

例句：

1. 1. The mineral is composed ofa lot of different minerals that are allotriomorphic.
   这种矿物由许多不同的多面体矿物组成。
2. 2. The crystalstructure of the mineral isa lot like that of anallotriomorphic crystal.
   这种矿物的晶体结构与多面体晶体非常相似。
3. 3. The allotriomorphic crystal wasfound in the mine and has been studiedfor its properties.
   这种多面体晶体在矿中被发现，并已对其性质进行了研究。