DR Congo

Dioptase — DR Congo · 4.2 cm

4.2 × 2.9 × 1.9 cm (1.65 × 1.14 × 0.75 in)
Longest edge: 42 mm (1.65 in)
SKU · KS2108
$284.00
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel

Dimensions: 4.2 × 2.9 × 1.9 cm (1.65 × 1.14 × 0.75 in); longest edge 42 mm (1.65 in).

Large emerald-green dioptase crystals on a pink matrix. Dioptase from DR Congo, 16 g.
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Mineral
Dioptase
Locality
DR Congo
Dimensions
4.2 cm × 2.9 cm × 1.9 cm
Weight
16 g
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Specimen details
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Specimen details

MineralDioptase
LocalityDR Congo
Crystal systemTrigonal
Chemical formulaCuSiO₃·H₂O
Dimensions4.2 cm × 2.9 cm × 1.9 cm
Weight16 g

About this specimen

Dimensions: 4.2 × 2.9 × 1.9 cm (1.65 × 1.14 × 0.75 in); longest edge 42 mm (1.65 in).

A group of large, emerald-green dioptase crystals with glassy faces standing on top of a pale pink matrix wedge. The green is saturated and the crystals are complete on the display side.

Congolese large-crystal dioptase at 16 g; a thumbnail with the deepest green in the mineral world.

At 16 g (0.6 oz) it is a miniature specimen that fits a miniature cabinet or a desk display. Sold exactly as photographed; any known repair, mount, treatment or condition note is disclosed in this listing.

  • Mineral: Dioptase
  • Locality: DR Congo
  • Weight: 16 g / 0.6 oz
  • SKU: KS2108

About Dioptase

Dioptase is a silicate mineral recognized among collectors for its crystal form and distribution.

Learn more about Dioptase in our encyclopedia

About DR Congo

The Democratic Republic of the Congo — above all the Katanga Copperbelt — is a world-class source of secondary copper and cobalt minerals.

More specimens from this locality

Frequently asked questions

Will I receive the exact specimen shown?

Yes. Every specimen is a single, one-of-a-kind piece, and the photographs show the exact item you will receive — never a stock photo.

Is this Dioptase natural?

Yes — specimens like this form naturally. As is standard in the trade, some pieces are gently cleaned or trimmed; we photograph the actual specimen and describe its origin and condition conservatively.

How is it packed and shipped?

Orders ship worldwide with fully insured, tracked delivery, carefully packed to protect fragile crystals.

Can I return it?

Yes — there is a 14-day return window.

What collectors say

★★★★★4.98· Website & Etsy reviews
Dioptase — DR Congo · 4.2 cm
Dioptase — DR Congo · 4.2 cm
$284.00