Latest Smithsonite Stories
GREENWOOD VILLAGE, Colo., Sept. 22 /PRNewswire/ -- Metalline Mining Company (NYSE Amex: MMG; TSX: MMZ) is pleased to provide an update on progress at the Sierra Mojada Project, located in Coahuila, Mexico.
By Rosemeyer, Tom The Leadville mining district, whose history, geology, and mineralogy have been described in numerous publications, is one of the most famous silver mining camps in the United States.
Smithsonite, or zinc spar, is zinc carbonate ZnCO3, a mineral ore of zinc. Historically, smithsonite was identified with hemimorphite before it was realised that they were two distinct minerals. The two minerals are very similar in appearance and the term calamine has been used for both, leading to some confusion.