knebelite

例句：

1. 1. The knebelite crystals are known for their unique properties.
   这种knebelite晶体因其独特的性质而闻名。
2. 2. The knebelite crystals have been used in various applications due to their high thermal conductivity.
   由于其高热导率，knebelite晶体已被用于各种应用。
3. 3. Knebelite is a rare mineral that has been found in several locations around the world.
   knebelite是一种稀有矿物，已在全球多个地点被发现。