$950.00 €819 £690.00 approx. This specimen is priced in US dollars, all other prices are approximate.
Unusual oblong square edged metallic grey crystals of Bournonite measuring to 2cm with faintly striated edges and smooth major faces. Associated with light yellowish crystals of Calcite, and metallic crystals of Galena on a small white Quartz matrix with a core of yellow-tan Siderite. From Herodsfoot Mine, Lanreath, Cornwall.