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Difference Between Rock Salt and Sea Salt

Updated February 21, 2017

If you’re trying to change your diet to include healthier seasonings, or if you just want to experience the different flavours of salt, you’ll want to know the differences between rock and sea salt. These salts are used to make many savoury dishes and have medicinal properties as well.

Rock Salt

Rock salt is a mineral derived from sodium chloride. Rock salt is greyish in colour and is not as refined as the white iodised salt from the grocery store.

Sea Salt

Sea salt is created from the evaporation of seawater and is available in fine grain or larger crystals. It is said to be healthier than iodised salt because it is less processed.

Location

Rock salt is mined in the United States; sea salt is usually imported from the Mediterranean Sea.

Uses

Sea salt is used for a number of spa treatments, including facials, therapeutic baths and pedicures to reduce skin inflammation. Rock salt is used to preserve meats and seafood.

Flavour

Sea salt has a subdued flavour and can be used like regular table salt in a number of dishes. Rock salt has a much stronger flavour, so only a small amount is needed to keep meat fresh or accent the taste of food.

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About the Author

Tamiya King has been writing for over a decade, particularly in the areas of poetry and short stories. She also has extensive experience writing SEO and alternative health articles, and has written published interviews and other pieces for the "Atlanta Tribune" and Jolt Marketing. She possesses a Bachelor of Arts in English and is currently pursuing higher education to become a creative writing professor.