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Potassium fluoride is a chemical compound with the formula KF. It is one of two primary sources of the fluoride ion for chemistry and applications in manufacturing. It is part of the alkali halide family and can be found naturally as the rare mineral carobbiite. Inorganic potassium fluoride is created by dissolving potassium carbonate in hydrofluoric acid.  Potassium fluoride takes the form of white crystals or powder and it has a a sharp saline taste. The compound can be moved in a solid or aqueous solution form and is toxic if ingested.