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

Cologne, Germany

2 for sale·Member since 2025

Previous owners

Date	Collector	Acquisition price
—	Unknown Owner	Not disclosed

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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.

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

A collector's guide to Altyn-Tyube dioptase deposit, Kazakhstan: its geology, mining history and notable minerals, illustrated with the 55 specimens documented from this locality on EarthWonders.

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