$930.00 €820 £710.00 approx. This specimen is priced in US dollars, all other prices are approximate.
Metallic grey crystals of Bournonite measuring to 9mm from the type locality at Wheal Boys, Port Isaac, Cornwall. Crystals of Bournonite are associated with a druse of black Sphalerite crystals with tan coloured lenticular Siderite crystals and white stacks of Calcite on a Quartz matrix with a silicified dark grey slate. Ex. Peter Burr collection.