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Pieces of eight minerals

By 1947- William S. (William Sinclair) Cordua


2 p

Topics: Groundwater pollution, Supergene deposit, Geology, Mineralogy, Corrosion, Minerals, Silver sulphide, Acanthite, Spanish pieces of eight, Ore deposits, Coins--Analysis, Covellite, Copper sulphide
Publisher: St. Croix Rockhounds, Stillwater, MN
Year: 2003
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