As recorded:
Trevaunance Mine, St Agnes Consols, St Agnes, Cornwall, England, UK
75mm x 70mm x 55mm
Photo added to mindat.org
“Fluorite crystals and very small chalcopyrite crystals on quartz crystals that cover the killas matrix.
Ex Donald Jenkin of Penzance collection, pre 1920.”
Peter Trebilcock - 30th October 2019
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