DR Congo

Cobaltoan Calcite — DR Congo

3.8 × 3.6 × 3.2 cm (1.50 × 1.42 × 1.26 in)
Longest edge: 38 mm (1.50 in)
SKU · LL1222
$48.00
Free worldwide shipping on orders of US$38 or more; below US$38: US$5 per parcel

Dimensions: 3.8 × 3.6 × 3.2 cm (1.50 × 1.42 × 1.26 in); longest edge 38 mm (1.50 in).

A deep green malachite crust with calcite and cobaltoan calcite. Cobaltoan calcite with calcite and quartz from DR Congo, 35 g.
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Mineral
Calcite
Locality
DR Congo
Dimensions
3.8 cm × 3.6 cm × 3.2 cm
Weight
35 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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Hand-examined + numbered
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Specimen details
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Specimen details

MineralCalcite
LocalityDR Congo
Crystal systemTrigonal
Chemical formulaCaCO₃
Dimensions3.8 cm × 3.6 cm × 3.2 cm
Weight35 g

About this specimen

Dimensions: 3.8 × 3.6 × 3.2 cm (1.50 × 1.42 × 1.26 in); longest edge 38 mm (1.50 in).

Congolese malachite with cobaltoan calcite at 35 g; a miniature with the Katanga Copperbelt's colours.

Cobaltoan calcite carries cobalt in the lattice, which turns ordinary calcite a hot pink to magenta; the Congo material is the world standard.

Collectors chase calcite for form rather than colour: crisp crystal edges and a habit you can identify from across the room. Rock crystal is judged on termination quality, clarity and how the crystals sit together, and the Chinese localities have raised the bar on all three.

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 miniature, 35 g (1.2 oz). Condition is otherwise as photographed.

  • Mineral: Cobaltoan Calcite, Calcite, Quartz, Malachite
  • Locality: DR Congo
  • Weight: 35 g / 1.2 oz
  • SKU: LL1222

About Calcite

Calcite is a carbonate mineral prized by collectors for its exceptional color range, with several world-class Chinese localities.

Learn more about Calcite 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 Calcite 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
Cobaltoan Calcite — DR Congo
Cobaltoan Calcite — DR Congo
$48.00