Dioptase from Mindouli, Mindouli District, Pool Department, Republic of the Congo

Dioptase featuring sparkling green crystals on a layer of plancheite.

The whole thing is covered with a dusting of quartz, giving it the appearance of sugar grains.

The biggest crystal is 2,6cm

Product details

SizeSmall Cabinet
Dimensions6.8 x 5.0 cm
Added on09/27/2026
Current owner
Monte Cristaux
Bruxelles, Belgique
Member since 2025

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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 Mindouli
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Locality guide
Mindouli
Mindouli, Republic of the Congo - type locality for plancheite; prized for emerald-green dioptase on blue plancheite and rare paragenesis with mimetite and wul…