neptunyl potassium carbonate

例句：

1. 1. The mineral is used in the production of neptuneium potassium carbonate.
   这种矿物用于生产海王星钾碳酸盐。
2. 2. The neptuneium potassium carbonate was discovered on Mars.
   在火星上发现了海王星钾碳酸盐。
3. 3. The neptuneium potassium carbonate is a rare and valuable mineral.
   海王星钾碳酸盐是一种稀有且有价值的矿物。