Excellent specimen of Dioptase with striking gemmy crystals from the type locality of Altyn-Tyube deposit, Kazakhstan. Kazakhstan The Dioptase crystals are up to 8mm big, lustrous with dark emerald-green color and very sharp, perfectly terminated crystals. Some crystals are doubly terminated. The quality is superior. The crystals are gemmy with marvelous neon green nuances. The colorless Calcite underlines them strongly. Some contacts. On acrylic base.

Superb Kazakhstan Dioptase!