This Specimen has been sold.
1.25" Lustrous, Dioptase Crystal Cluster (Large Crystals) - Namibia
This is a fantastic cluster of large, dark green, gemmy dioptase crystals from the Tsumeb Mine in Namibia. A lot of sparkle to this specimen.
Dioptase is an uncommon mineral, found mostly in desert regions where it forms as a secondary mineral in the oxidized zone of copper sulfide mineral deposits. This copper-based mineral forms small rhombohedral crystals, typically less than 0.75 centimeters in length. It is popular with mineral collectors due to its vibrant color and it is occasionally cut into small emerald-like gems.