n k Rock salt (Indupp) is made from rock crystof salt that have been mined from areas close to the s often in Pakistan o called Sendha namak n rose. It gets its kish tint from trace minerin the salt like magnesium potassium and calcium. Although taste similar to common salt and the difference is that contains more minerneeded for our body. It has 80+ minerincluding magnesium potassium and calcium. n is used in cooking seasoning and preserving food. Kerala Naturbrings out the top quality n k Rock Salt with a Premium look on a glass bottle with a butterfly cap which is apt for dining decor and ease of use. The glass bottle helps to retain its consistency and quality.