Dioptase on Calcite - image 1
Photo by Matthew Parshchikov

Dioptase on Calcite

Vivid green dioptase covering a calcite crystal from the classic type locality, Altyn-Tyube in Kazakhstan. The calcite was etched.

Product details

SpeciesDioptase, Calcite
SizeMiniature
Dimensions3.1 x 2.7 x 1.4 cm
Added on06/12/2026
LocalityKazakhstan, Karaganda Region, Altyn-Tyube dioptase deposit
Current owner
Matthew Parshchikov
Matthew Parshchikov
Cologne, Germany
2 for sale·Member since 2025
Previous owners
DateCollectorAcquisition price
—Unknown OwnerNot disclosed

Learn more

Dioptase
Mineral guide
Learn about Dioptase
vivid emerald-green crystals with glassy luster, often on white calcite or quartz; highly collectible due to color, clarity, and brittleness.
Dioptase
Regional guide
Dioptase from Altyn‑Tyube dioptase deposit, Kazakhstan
Altyn-Tyube dioptase, Kazakhstan - the type locality famed for emerald-green crystals, intense glow, and copper-oxide associations prized by collectors.
Locality guide
Altyn-Tyube dioptase deposit
Altyn-Tyube, Kazakhstan - dioptase type locality with emerald-green crystals on calcite in Devonian carbonates; prized for dramatic vugs and its historic colle…