sodium stannite

例句：

1. 1. The sodium stannite was used to make the glass.
   钠石用于制作玻璃。
2. 2. The sodium stannite was found in the river sediment.
   钠石在河流沉积物中被发现。
3. 3. The sodium stannite is a valuable mineral resource.
   钠石是一种宝贵的矿物资源。