<P> Table salt or common salt is a mineral composed primarily of sodium chloride ( NaCl ) , a chemical compound belonging to the larger class of salts ; salt in its natural form as a crystalline mineral is known as rock salt or halite . Salt is present in vast quantities in seawater , where it is the main mineral constituent . The open ocean has about 35 grams ( 1.2 oz ) of solids per litre , a salinity of 3.5 % . </P>
<P> Table salt or common salt is a mineral composed primarily of sodium chloride ( NaCl ) , a chemical compound belonging to the larger class of salts ; salt in its natural form as a crystalline mineral is known as rock salt or halite . Salt is present in vast quantities in seawater , where it is the main mineral constituent . The open ocean has about 35 grams ( 1.2 oz ) of solids per litre , a salinity of 3.5 % . </P>
where does most of our table salt come from
where does most of our table salt come from
seawater
seawater