Chalcopyrite on tennantite on quartz
description: <p style="text-align: justify;">LOCALITY: Herodsfoot Mine, Lanreath, Liskeard, Cornwall, England <br /><br />4" Across <br /><br />The sulfides are on a matrix of quartz pseudomorphs after barite crystals. This piece was formerly in the collection of Kay Robertson of Las Angeles, California. I acquired it from Robert Lavinsky in mid 2017. Herodsfoot is best known for as a great bournonite producing locality. It is also a celebrated locality for chalcopyrite coated tennantite. <br /><br />Photo by Jeff Scovil</p>
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