Exceptional and extremely rare Cumengeite star crystal of 9mm from the type locality of Amelia Mine, Boleo District, Mexico. Cumengeite is very much rarer than the Boleite and the best specimens come from this mine. It displays a perfect, sharp, text book like single crystal with 6-point symmetry and pyramidal terminations. The crystal is complete all over with gorgeous royal-blue color and gemmy areas. It has strong glassy luster. This is a classic Mexican rarity. In very good condition – some minor nicks. On acrylic base.

World grade quality Cumengeite star!