subhedron

例句：

1. 1. The subhedron crystals are used in jewelry making.
   副晶石用于珠宝制作。
2. 2. The subhedron mineral is a rare gemstone.
   副晶石是一种稀有的宝石。
3. 3. Subhedron is a type of mineral that can be found in riverbeds and streams.
   副晶石是一种可以在河床和溪流中找到的矿物。