12ct Classic Pyramid with Mica

This old mine pyramid with mica is unprecedented. The crystal stands alone on the natural flat base. Transparent sections of crystal with short choppy blue zones are separated by clay. The mica and white kaolin appear to corrode the crystal. This glacier tumbled specimen is a rare sample shows remarkable variety of classic characteristics. The stone shows a rare light to moderate flourescence indicative of the old mine. The mineral can faceted or remain in a historical collection. Details: Item#