Minerals identify

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Antozonite (historically known as Stinkspat, Stinkfluss, Stinkstein, Stinkspar fluorite, Bavaria

It is characterized by the presence of multiple inclusions when the crystals are crushed or broken, the elemental fluorine is released. It was postulated that beta radiation inclusions continuously break down calcium fluoride and fluorine atoms. Fluorine atoms combine to produce difluoride anions and, upon losing the extra electrons at a defect , fluorine is formed. Fluorine subsequently reacts with atmospheric oxygen and water (whose characteristic smell, originally mistaken for a hypothetical substance called antozone, is responsible for the mineral's name) and hydrogen fluoride.