ANKF42 Ferrokësterite (TL), Arsenopyrite, Cligga Mine, Cligga Head, Cornwall, England, UK
Dark blue-violet tarnish ferrokësterite from the type locality associated with grey metallic arsenopyrite. Cligga Mine, Cligga Head, Cornwall, England, UK.
Dark blue-violet tarnish ferrokësterite from the type locality associated with grey metallic arsenopyrite. Cligga Mine, Cligga Head, Cornwall, England, UK.