| However, China is relatively deficient in reserves of sylvine and boron. |
| Potassium chloride is a white crystalline solid or powder, and is the most abundant of the naturally occurring salts of potassium, found mainly in the mineral sylvine. |
| Sylvite, also called sylvine, is a major source of potassium or potash used in fertilizer products. |
| In this process, the different dissolution behavior of halite, sylvine and primarily of kieserite is exploited. |
| Rocksalt, sylvine and fluorite can all be produced artificially. |
