A neat small cabinet specimen of stallactitic Chalcedony from the most well regarded location for the variety, at the Trevascus Mine a very old Cornish Copper/Tin mine, near Carnhell Green. The specimen has a lovely lucid white translucency to it. Displaying curving horny-like developments of Chalcedony measuring to 3-4cm, grown from a low relief botryoidal Chalcedony.