Rock salt comes from oceans that dried up tens or hundreds of millions of years ago, leaving us their salt, which has been compressed and transformed while it slept in the earth's crust, waiting to be quarried from the earth. Himalayan Pink salt are a well-known example of rock salt.
Impact: Hard, dry crystals with moderate to high mineral content and virtually no moisture, usually ground up mechanically for use as a finishing salt. Can have an intense and direct impact in the mouth.
Uses: Great for people who like to use salt grinders as a replacement for refined table salt.