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Rock salt is also known as halite which is a mineral in form. We can see rock salt in loosely shaped cubes or sometimes in a granular form. The edges of drying lakes or bays that are semi enclosed are the places we can see these rock salt deposits. Evaporation of large areas of water are the main reason for these salt deposits. Most commonly the deposit may be white or grey color. Some deposits have blue or yellow color. We can see these salts commonly when we go to coastal area. Rock salt is developed in a time when human caused pollution was unknown and because of this it is the purest salt available. Rock salt is a natural mineral which is found from underground. A small quantity of calcium chloride is also present in it along with sodium chloride. Due to its hard nature it will not dissolve easily in water. Rock salt is less expensive and easily available. It is a household necessity. In cooking and cleaning purposes we use this rock salt. In high snowfall that is in cold climatic conditions we use this salt. The frozen water melts if salt is sprinkled on the roads. Only a small quantity is needed as that alone is sufficient to weaken the ice. Sometimes people will mix the salt with sand and spread it on the roads in order to prevent vehicle slides and accidents on icy roads. Rock salt has different chemical application. To maintain the products dry we use this salt in textile and clothes industry. Dyeing with salt is one of the most important steps in textile laundering. To get dyes deep penetration over a period of time enough salt is included in the dye mix in a textile industry. This process not only gives deep and exciting color, but allows fabrics to be exposed to salt and saturated water products before initial use by the customer. This salt is also used for the manufacture of detergents and soaps. Different countries produce rock salt in different quantities. In the production of salt china is in the first place. The country which is in the second place is United States of America. Germany, Canada and Austria are the countries who have great production of rock salt. Some countries who are not producers of rock salt need them in large quantity, in such situations they will import salt from other countries. The countries that have the most aged salt mines in them are Germany and Austria. In ice cream makers we use these rock salts. In old ice cream makers rock salt is packed around the container to keep the ingredients below the freezing point. The manual machines that use rock salt are very cheaper and have large containers in it. Buy rock salt in bulk during winter season from rock salt suppliers.
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