raphide

例句：

1. 1. The mineral is used in the production of ceramics and glass.
   这种矿物用于生产陶瓷和玻璃。
2. 2. The raphide crystals are often found in sedimentary rocks.
   云母晶体通常存在于沉积岩中。
3. 3. The raphide layer is a thin layer of minerals that covers the surface of the earth.
   云母层是覆盖地球表面的一层薄矿物质层。