Homeopathic medicine Hecla Lava is prepared from volcanic ash from Mount Hecla in Iceland. This ash contains lime, silica, alumina, magnesia and some oxide of iron. With potentization procedure (a process that extracts medicinal properties from crude substance), this volcanic ash is converted into a highly valuable homeopathic medicine Hecla Lava. This medicine is of great clinical significance in treating complaints related to teeth, jaw, bones and also facial neuralgia.