The mineral name for “rock salt”. A chemical sedimentary rock that forms from the evaporation of ocean or saline lake waters. It is rarely found at Earth’s surface, except in areas of very arid climate. It is often mined for use in the chemical industry or for use as a winter highway treatment. Some halite is processed for use as a seasoning for food. Halite (common salt) is a mineral found in lusterless cubic crystals. It has the formulae NaCl and a relative hardness of 3.
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