World class quality specimen of Dioptase crystals aesthetically grown on the rare copper silicate-hydroxide Plancheite. Dioptase crystals are big up to 23mm, extremely brilliant and lustrous with very rich emerald-green color and sharp, perfectly terminated crystals. The quality is exceptional with very fresh appearance. The crystals are gem with marvelous electric neon blue-green nuances. The light blue to blue Plancheite underlines Dioptases strongly. Some small brown dendrites are seen on the Plancheite. The bottom is partially sawed. In superb condition - outside edges contacts.

Striking beauty - mesmerizing, top Dioptase!