Natural Rock Salt
Natural rock salt is a chemical
it is an evaporite
and it is
formed when water evaporates from salt
rich lakes and other water bodies.
It mainly consists of mineral halite
but contains smaller amounts of sylvite
It has coarse white
crystals, which sometimes can be orange, brownish, or even blue.
yes, it is what we use as the common table
It has other uses
though, such as in metal melting, in porcelan and soap, and in chemical
industry to make many chemicals such as chlorine, hydrochloric acid,
sodium hydroxide and sodium bicarbonate.
Massive salt deposits are
found on all continents, and are constantly mined.