£1,500 €1,699 $1,957 approx. This specimen is priced in pounds sterling, all other prices are approximate.
A lustrous crystalline plate of Sphalerite with two contrasting white scalenohedral crystals of Calcite to 1.9cm. The Sphalerite displays complex ridge-like development of intergrown crystals, with sub-metallic lustre. The specimen comes from one of the area's last working mines. It also comes with a white Richard Barstow collection label.