==Chemistry==Iodine adopts a variety of oxidation states, commonly ranging from (formally) I(VII) to I(-I), and including the intermediate states of I(V), I(III) and I(I).
Некоторые другие минералы иода — иодобромит Ag(Br, Cl, I), эмболит Ag(Cl, Br), майерсит CuI·4AgI.