The zinc ore from this mine was known as calamine, a mixture of hemimorphite, smithsonite and willemite. From Vieille Montagne (Altenberg; Kelmisberg), Kelmis (La Calamine), Plombières-Vieille Montagne-Moresnet (Plombières-Altenberg-Moresnet) mining district, Verviers, Liège Province, Belgium. An old William Jefferis specimen, dated 1873. Nicely fluorescent. This is also the Type Locality for willemite. Please follow and like […]

Read More →