$425.00 €355 £320.00 approx. This specimen is priced in US dollars, all other prices are approximate.
A fine specimen of crystalline Sphalerite hemisphere measuring to 4cm diameter, with a part hemisphere to one side partly coated in a glistening metallic yellow Chalcopyrite on a matrix of prismatic Quartz crystals with grey-green granular Chlorite. From the Nikolaevskiy Mine, Dal'negorsk, Russia.