Gorgeous specimen of twinned Marcasite from Cap Blanc-Nez, Pas-de-Calais, France. It comes from the collection of Paul Zerfass with a label. It displays razor sharp, metallic yellow Marcasite crystals with good luster. They are symmetrically twinned. In addition the Marcasites are crystallized in a cluster forming beautiful rosettes. Show all around – 360 degree specimen. In good condition – some damages.

Mesmerizing!