Composition of Salt

• The basic chemical composition of salt is sodium chloride (NaCl), which is also known by the mineral name "halite."

Features of Gray Salt

• Gray salt is light gray to grayish purple in color. This color comes from the clay it is mined from. Gray salt is moist.

Other Names

• Gray salt is also know as "sel gris" and "Celtic sea salt." It is a kind of Celtic sea salt.

Nutrition

• Among sea salts, gray salt is considered to have the highest amount of magnesium.

Source

• Gray salt is commonly mined on the coasts of France in Guérande, Brittany. It is mined using traditional methods.