description: <p style="text-align: justify;">LOCALITY: Wheal Gorland, near St Day, Cornwall, England <br /><br />c. 3" across <br /><br />Chalcophyllite is a rare copper bearing arsenate species that reached its ultimate development at Wheal Gorland.  This specimen was probably mined before 1800 and is one of the largest examples of this rare species.  It was formerly in the collection of Herbert Obodda.  I bought it from Robert Lavinsky in January 2016.</p> <p style="text-align: justify;"> </p> <p style="text-align: justify;">Photo by <br /><br /> </p>
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