DR Congo

Dioptase — DR Congo

SKU · SX1081
$38.00
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel
Emerald dioptase with white blades. Dioptase from DR Congo, 1.6 × 1.4 × 1 cm.
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Mineral
Dioptase
Locality
DR Congo
Dimensions
1.6 cm × 1.4 cm × 1.0 cm
Weight
3 g
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Dispatch within 1–2 days. This is our general delivery estimate, not a destination guarantee; customs and carrier delays may apply.

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Shipping is free from US$38; below US$38, US$5 per parcel. Standard import duties are covered only on eligible routes. Local taxes and other applicable charges may be extra.

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Hand-examined + numbered
Worldwide shipping
Insured tracked delivery
Specimen details
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14-day return
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Specimen details

MineralDioptase
LocalityDR Congo
Crystal systemTrigonal
Chemical formulaCuSiO₃·H₂O
Dimensions1.6 cm × 1.4 cm × 1.0 cm
Weight3 g
SpeciesDioptase
ColorWhite

Some details have not been recorded. Ask us about weight, origin or repairs before buying.

About this specimen

DR Congo dioptase at 1.6 cm; a thumbnail, supplied in the display box shown. Dioptase in a deep emerald green forms a tight cluster of short prisms, with pale white bladed crystals grown up through the group and catching the light behind them.

Dioptase is a copper silicate with an emerald-green colour so intense it was once mistaken for emerald; the Congo crystals are the standard.

DR Congo's copper and cobalt districts produce the deepest green malachite and the most vivid cobaltoan calcite on the market.

By size it is thumbnail, 1.6 × 1.4 × 1 cm (0.63 × 0.55 × 0.39 in). Condition is otherwise as photographed.

Delicate crystals: handle by the matrix only.

Specimens are photographed and catalogued one at a time before they reach this page.

  • Mineral: Dioptase
  • Locality: DR Congo
  • Size: 1.6 × 1.4 × 1 cm / 0.63 × 0.55 × 0.39 in
  • Weight: Confirmed before shipping
  • SKU: SX1081

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
Dioptase — DR Congo
$38.00