Carbonates

687 results

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Malachite after Cuprite

$350

Chessy-les-Mines, France

An excellent thumbnail specimen of a group of intergrown Cuprite crystals measuring overall to 1.5 cm

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Calcite on Dolomite with Chalcopyrite

$400

Droujba Mine, Plovdiv Oblast

A neat aesthetic specimen of bow-tie lustrous crystal development of Calcite on silky lustred creamy

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Aragonite var. Tarnowitzite

$500

Touissit, Morocco

An excellent specimen of Tarnowitzite, the plumboan (lead-rich) variety of Aragonite, from the Touissit mining

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Calcite

$1,100

Millclose Mine, England

Classic Derbyshire multi-terminated stacked Calcite crystals from the Millclose Mine. Crystals of Calcite

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Calcite

$900

Egremont, Cumbria

A fine crystal plate of prismatic 'nailhead' Calcite's measuring to 2.4 cm Crystals of Calcite are

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Aragonite with Hematite

$300

Florence Mine, England

A rich specimen of crystalline-botryoidal white to tinted red-brown Aragonite on sections of platy red-brown

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Calcite

$500

Bigrigg Mine, England

A classic specimen of 'dogtooth' Calcite on a Goethite/Calcite matrix from Bigrigg Mine, Cumbria. Gemmy

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Cerussite

$550

Thornthwaite Mine, England

An uncommon location and particularly well developed 'jackstraw' Cerussite displaying crystals from white

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Calcite Twin

$2,000

Egremont, Cumbria

A gemmy lustrous colourless classic butterfly twin Calcite measuring to 5.3 cm these are becoming increasingly

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Smithsonite

$300

Sheshodonnell East Mine, Ireland

A classic specimen of bright yellow cadmium enriched Smithsonite from the Sheshodonnell East Mine,

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Siderite

$675

Tincroft Mine, England

A very characteristic specimen of Siderite from the Tincroft /Carn Brae Mine. Intergrown crystals of

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Calcite on Fluorite

$500

Weardale, England

An excellent platy crystal covering of colourless-white Calcite crystals measuring to almost 2cm formed over a

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Smithsonite on Galena

$850

Tsumeb Mine, Namibia

Slightly curved rhombohedral crystals of smoky-brown Smithsonite coat a matrix of granular gunmetal-grey

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Cobaltoan Smithsonite

$9,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A magnificent specimen of candy-pink Cobaltoan Smithsonite crystals almost entirely covering an underlying

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Smithsonite on Dolomite

$250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A choice small thumbnail of pale limey-lemon-yellow Smithsonite as equant rhombic-dodecahedral crystals

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Calcite

$3,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Calcite crystals in parallel, stacked flattened rhombohedral clusters form superb curved blades of up to 2.5

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Cobaltoan Smithsonite

$1,800

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A triangular thin plate of matrix is entirely overgrown with distorted rhombohedral crystals of Cobaltoan

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Smithsonite

$3,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A highly appealing Tsumeb Smithsonite in the form of a group of drooping stalagmites to 3.5 cm in

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Malachite pseudomorph after Azurite with Gartrellite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A gorgeous small cabinet specimen of velvet textured, deep emerald-green Malachite pseudomorphs replacing

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Rosasite on Smithsonite

$600

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Intensely bluish-turquoise Rosasite forms 1 mm diameter botryoidal druses over a 2.5 x 1.0 cm patch on a

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Dolomite cast after Calcite with Duftite

$350

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A most attractive creamy-white Dolomite cast after Calcite with a silky-pearlescent lustre, taking the form of

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Dolomite with Duftite

$5,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Deep apple-green micro-crystals of Duftite are richly dusted across the surface of off-creamy-white Dolomite

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Calcite

$750

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A Tsumeb Calcite with lots of Wow! Flattened rhombohedral Calcite crystals in parallel, stacked clusters

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Smithsonite

$5,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An almost entirely hidden, elongated mound of mixed polycrystalline sulphides is very richly encrusted with

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Cobaltoan Smithsonite

$3,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Sharp, slightly curved rhombohedral crystals of pinkish-lilac Cobaltoan Smithsonite to 1.1 cm on edge cover

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Malachite pseudomorph after Azurite

$7,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

This specimen is a great example of how aesthetic Malachite pseudomorphing after Azurite can be at the Tsumeb

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Azurite with Cerussite

$7,500

Easter Pocket, Namibia

The 1994 Azurite find in the Easter Pocket on 8 Level is one of the classic historic discoveries at the Tsumeb

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Dioptase on Calcite

$8,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A rather unusual specimen of the copper silicate mineral Dioptase, from the Tsumeb mine in Namibia, in that it

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Cerussite

$5,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A spectacular group of large smoky Cerussite crystals from the Tsumeb mine in Namibia overgrowing a relatively

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Cerussite with Smithsonite

$4,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A quite spectacular cabinet specimen, rich in highly lustrous Cerussite crystals which form a jumbled array

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Azurite

$8,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A spectacular Azurite from the Tsumeb mine in Namibia, best described as an intergrown mass of crystallised

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Cobaltoan Smithsonite

$9,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A truly classic Cobaltoan Smithsonite from 26 Level in the Tsumeb mine in Namibia. 26 Level was in the

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Aragonite Var. Tarnowitzite

$800

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A double terminated bowtie-like small miniature of Tarnowitzite, the lead-rich variety of Aragonite, from the

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Rosasite with Cerussite and Malachite

$2,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A gorgeous specimen of bright sky-blue Rosasite grading to turquoise-blue from the Tsumeb mine in Namibia. The

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Cobaltoan Smithsonite

$500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A single, sharp rhombohedral Cobaltoan Smithsonite crystal of pale rose-pink is nicely perched on top of a

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Mimetite with Malachite

$2,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Micro-crystalline sprays of turquoise-green Malachite and pale lemon-yellow Mimetite richly encrust a

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Smithsonite

$9,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A magnificent stalactitic Smithsonite averaging around 6.5 x 4.5 x 3.0 cm stands upright from a circular

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Rosasite pseudomorph after Azurite with Cerussite

$3,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

The Tsumeb mine in Namibia is noted for its many types of pseudomorphs and this example of Rosasite after

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Smithsonite

$900

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Botryoidal mounds built from composite clusters of glassy colourless Smithsonite form an impressive specimen

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Cobaltoan Smithsonite

$7,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Mounds of highly reflective glassy pink Cobaltoan Smithsonite crystals form a most aesthetic small cabinet

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Cobaltoan Calcite

$1,200

Mashamba West Mine, DR Congo (Zaire)

A fine intense lustrous pink intergrown crystal specimen of Cobaltoan Calcite, with crystals in the 3 mm

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Azurite with Smithsonite

$7,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A superb miniature crystal specimen of Azurite with Smithsonite from the Tsumeb Mine, Namibia. A specimen of

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Aragonite

$3,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Excellent divergent array of long prismatic Aragonite crystals measuring to 4 cm+ with a fine luster and

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Calcite

$300

Herja Mine, Romania

A pleasing specimen of Calcite from the Herja Mine, Romania. Lustrous colourless white crystals of

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Kolwezite after Baryte

$7,500

Kolwezi, DR Congo (Zaire)

A very rare and signifficant specimen of glistening rich dark green Kolwezite crystal druse forming

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Azurite with Rosasite

$150

Bou Bekker, Morocco

A pleasing thumbnail specimen very lustrous rich dark blue Azurite crystal groups amongst botryoidal

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Rhodochrosite

$2,500

N'Chwaning Mines, South Africa

Classic N'Chwaning crystal specimen of gem red-orange scalenohedral crystals forming a well-developed pair

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Rhodochrosite

$8,500

N'Chwaning Mines, South Africa

A rich aesthetic miniature specimen of gemmy scalenohedral crystals measuring to 7 mm of Rhodochrosite, with a