What Is Gray Salt?

by Joan Reinbold ; Updated September 28, 2017

Throughout the world there are different types of salts used by many diverse cultures to produce various flavors. Gray salt, also spelled "grey" salt, is one of these many culinary salts.

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.


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


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

Our Everyday Video

Brought to you by LEAFtv
Brought to you by LEAFtv

About the Author

Joan Reinbold is a writer, author of six books, blogs and makes videos. She has been a tutor for students, library assistant, certified dental assistant and business owner. She has lived (and gardened) on three continents, learning home renovation in the process. She received her Bachelor of Arts in 2006.