In 1879 Arcangelo Scacchi2 described yellow crusts that coat the walls of crevices in the massive lava flows of 1631 at Vesuvius. He suggested that there was present a possibly new element, much like vanadium, which he provisionally named vesbium, after an ancient name of Vesuvius. To the substance forming the crusts, which he thought to be a vesbiate of aluminum, he gave the name vesbine (vesbina). Most of the chemical reactions on which he based the distinction between vesbium and vanadium are not decisive, and others are explained by the presence of various elements that have been revealed by more recent study. Indeed, Scacchi himself was later convinced of the identity of vesbium with vanadium.

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