Pseudomorphs

123 results

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$5,000

Tenke-Fungurume area, DR Congo

An arresting large miniature double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,000

Tenke-Fungurume area, DR Congo

A spear-shaped double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

This fine sculptural pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,300

Tenke-Fungurume area, DR Congo

A fabulous pair of broad, V-shaped crystals composed from double pseudomorphs of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,200

Tenke-Fungurume area, DR Congo

Two prominent and one smaller crystal form an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$7,500

Tenke-Fungurume area, DR Congo

This museum-grade double pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$2,000

Tenke-Fungurume area, DR Congo

A delicate open cluster of double pseudomorphs of creamy duck egg blue Chrysocolla replacing Malachite after

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

This striking double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

Two former tabular Azurite crystals, now pseudomorphed to Chrysocolla via an intermediate stage of Malachite,

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,800

Tenke-Fungurume area, DR Congo

A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,800

Tenke-Fungurume area, DR Congo

This extraordinary column-like miniature is an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

An unusual double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,500

Tenke-Fungurume area, DR Congo

This spear-shaped small miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$2,700

Tenke-Fungurume area, DR Congo

This jagged architectural miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$3,000

Tenke-Fungurume area, DR Congo

This excellent miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla replacing

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

A beautiful small miniature featuring an unusual double pseudomorph of intense sky-blue Chrysocolla replacing

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

What appears to be three parallel vertical former Azurite crystals, are vertically aligned and sandwiched

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

Two parallel vertical former Azurite crystals, approximately 4 and 3.5 cm tall, have undergone two phases of

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$900

Tenke-Fungurume area, DR Congo

From a recent find in the Democratic Republic of the Congo (DRC), an interesting double pseudomorph of

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$600

Tenke-Fungurume area, DR Congo

This double pseudomorph of Chrysocolla replacing Malachite after Azurite is a particularly good example in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$600

Tenke-Fungurume area, DR Congo

Seven tabular former Azurite crystals form a sub-vertical cluster which have subsequently pseudomorphed to

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$800

Tenke-Fungurume area, DR Congo

From a recent find in the Democratic Republic of the Congo (DRC), a fascinating double pseudomorph of

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Miargyrite

$12,500

San Genaro Mine, Peru

This wonderful specimen of the rare silver-antimony sulphosalt Miargyrite is from the San Genaro mine in

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Malachite pseudomorph after Azurite with Cerussite

$25,000

Tsumeb Mine, Namibia

This spectacular large cabinet display specimen is a bonanza of beautifully crystallised carbonate minerals

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Goethite coating Cerussite after Anglesite

$850

MMM Mine, Australia

There is always something rather fascinating with sooty-black Goethite coating Cerussite after Anglesite,

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Calcite ps. after Dolomite

$650

Turț, Satu Mare County

This striking small miniature is a quite enchanting pseudomorph of light butterscotch-tan Calcite after sharp

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Malachite ps. after Azurite with Azurite

$4,000

Tsumeb Mine, Namibia

Two small pseudomorphs of Malachite after Azurite perch on an off-cream dome of drusy 1 mm Calcite crystals,

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Malachite pseudomorph after Azurite with Azurite

$1,000

Tsumeb Mine, Namibia

A classic Tsumeb mix of beautifully crystallised Azurite forming well developed thick crystals to 2 cm

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Malachite pseudomorph after Azurite with Azurite

$2,500

Tsumeb Mine, Namibia

A fabulous cabinet specimen of beautifully crystallised glassy Azurite covers one half and silky Malachite

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Malachite-Dolomite pseudomorph after Azurite

$4,500

Tsumeb Mine, Namibia

No matter how many specimens you see and handle from the remarkable Tsumeb mine in Namibia, always be prepared

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Malachite ps. after Azurite on Azurite

$450

Tsumeb Mine, Namibia

A miniature, yet good size single Azurite crystal of intense opaque inky blue with surface alterations to

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Cassiterite ps. after Orthoclase

$2,000

Wheal Coates, England

The old Wheal Coates engine house, set against the backdrop of the Atlantic Ocean, is an iconic image of

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Quartz pseudomorph after Fluorite

$200

Wheal Mary Ann, England

A roughly triangular thin plate of orange-tan Chalcedony has its top surface covered with opaque milky Quartz

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Enargite pseudomorph after Azurite

$9,500

Tsumeb Mine, Namibia

A wonderful small cabinet specimen of large, well defined Enargite pseudomorphed crystals after Azurite from

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Dolomite cast after Calcite with Duftite

$350

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Dolomite casts after Calcite form delicate yet very beautiful specimens from the Tsumeb mine in Namibia and

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Native Silver ps. after Dyscrasite

$450

Pribram, Czech Republic

A superb miniature of Native Silver pseudomorphing after Dyscrasite from the Příbram mining district in the

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Acanthite on Quartz epimorph after Calcite

$2,500

Banska Stiavnica (Schemnitz), Slovakia

A showy cabinet specimen composed of 3 to 7 mm tall Quartz crystals that form a drusy epimorph shell after

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Goethite coating Cerussite after Anglesite

$1,250

Block 14, Australia

A really superb pseudomorph of Cerussite after Anglesite coated in very dark chocolate-brown Goethite, from

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Hematite pseudomorph after Calcite

$2,800

Harz, Germany

A superb and highly unusual specimen of Hematite pseudomorphing after Calcite from the Harz region of Lower

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Siderite ps. after Calcite

$850

Aggeneys, Northern Cape Province

A superb and aesthetic group of Siderite pseudomorphs after barrel-shaped Calcite crystals from Aggeneys in

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Smithsonite pseudomorph after Calcite

$350

Derbyshire, England

This Smithsonite pseudomorph after Calcite is a real old-timer and although only recorded as being from the

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Malachite pseudomorph after Azurite

$1,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Sharp, chisel-like blades of deep bottle-green Malachite form a rich coverage of pseudomorphs after Azurite on

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Goethite coating Cerussite after Anglesite

$3,500

Kintore Opencut, Australia

A beautiful, perfectly formed specimen of coal-black Goethite coating razor-sharp crystals of Cerussite

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Conichalcite pseudomorph after Calcite

$850

Lavrion, Greece

A superb small miniature of limey-apple-green Conichalcite pseudomorphing after Calcite as 2 to 3 mm,

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Malachite pseudomorph after Azurite

$250

Tsumeb Mine, Namibia

An impressive miniature of Malachite pseudomorphs after Azurite from the Tsumeb mine in Namibia. A

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Malachite ps. after Azurite

$2,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A beautifully crystallised pseudomorph of Malachite after Azurite from the Tsumeb mine in the Oshikoto Region

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Native Copper rose pseudomorph after Azurite

$400

Copper Rose Mine, USA

The Copper Rose mine at San Lorenzo, New Mexico, USA is considered an American classic, mainly because of its