knollite

例句：

1. 1.The mineral is used in the production of pottery.
   这种矿物用于生产陶器。
2. 2. Knollite is a type of sedimentary rock that forms under high pressure and temperature.
   Knollite是一种在高压和高温下形成的沉积岩。
3. 3. The minerals found in Knollite are believed to have formed over millions of years.
   Knollite中发现的矿物质被认为是在数百万年中形成的。