Black is a "herb salt" made by mixing Ayurvedic prescription herbs and baking them. It has a very strong sulfur aroma and is especially used in Indian and Middle Eastern cuisine. It is made from natural rock salt and herbs, so you can use it with confidence. It goes well with spice-based dishes, and the range of dishes expands depending on the idea. About Quality It is rock salt made by cleaning and crushing mined rough stones. A small amount of contaminants will enter a certain amount.