acardite

例句：

1. 1. The acardite crystals are known for their unique properties.
   这种水晶因其独特的性质而闻名。
2. 2. The acardite crystals have been used in ancient medicine for centuries.
   这种水晶在古代医学中被使用了几个世纪。
3. 3. The acardite crystals are often found in nature reserves around the world.
   这种水晶通常在世界各地的自然保护区被发现。