Pleasing specimen of gemmy Sphalerite var. Cleiophane crystal of 25mm sitting attractively on a Quartz base from the famous Madan ore field, Bulgaria. The Cleiophane it translucent with some gemmy areas. It is lustrous with olive-green-yellow color. It is sharp and well crystallized. The crystal pop out nicely on the white Quartz crystals base. In very good condition – some small base part contacts.

Marvelous!