Beautiful sharp green dioptase crystals dot this calcite matrix. The dioptase crystals are sharp and have great lustre and unusually good translucence. In excellent condition overall, two small missing crystals. Stands perfectly for display. Gorgeous intense green, with brilliant lustre and play of light inside the crystals.
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About These Dioptase Specimens
Dioptase was first described from Altyn Tyube, the type locality for dioptase, in the nineteenth century. Altyn Tyube is a remarkable deposit in the Steppes, far from everywhere. It was first worked for copper thousands of years B.C., and it is interesting to note that there are very few copper minerals at the locality – dioptase with occasional minor malachite and cuprite. These beautiful specimens were mined in 2015, acquired soon afterward from the team currently conducting specimen mining at Altyn Tyube.