Pseudomorphs

60 results

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Quartz pseudomorph after Fluorite

$100

Furzehill Mine (East Tamar Mine), Devon

A rare and good example of an octahedral Quartz pseudomorph after Fluorite from Furzehill mine at Bere Alston,

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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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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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Marcasite ps. after Calcite

$150

Axbridge Hill, Somerset

An interesting and rare Marcasite pseudomorph after Calcite from Axbridge Hill in the Mendip Hills, Somerset,

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Goethite ps. after Marcasite

$250

Wapping Mine, England

Cogwheel-like, angular crystals of rusty to dark chocolate-brown Goethite form excellent pseudomorphs after

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Hematite ps. after Magnetite var. Martite

$600

Payún volcano, Mendoza Province

A stunning and classic pseudomorph of Hematite after Magnetite from Payún volcano in Mendoza Province,

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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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Rosasite pseudomorph after Azurite

$1,200

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A superb Rosasite pseudomorph after Azurite from the Tsumeb mine in Oshikoto Region, Namibia. The upper

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Limonite pseudomorph after Pyrite

$500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A matrix-free pseudomorph of Limonite after cubic Pyrite crystals. The larger crystal measures 3.2 x 2.7

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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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Malachite ps. after Azurite

$650

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Crisp, well defined pseudomorphed crystals of deep holly-green Malachite after Azurite radiate from a small,

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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

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Malachite pseudomorph after Cuprite

$250

Chessy-les-Mines, France

From the type locality of Azurite, another Chessy classic in the form of a delightful Malachite pseudomorph

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Bindheimite ps. after Bournonite with Malachite

$1,200

Felixbau Mine, Carinthia

This specimen might be described as an ugly brute (!), but a rather beautiful ugly brute!!! Mottled lime

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Dolomite ps. after Calcite with Hematite

$500

Niederschlema, Germany

An aesthetic group of five scalenohedral Calcite crystals to 5.5 cm tall, the outer shells of which have been

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Kaolinite pseudomorphing after Orthoclase

$400

Melbur China Clay Pit, England

Colloquially referred to as a “Pig’s Egg” by miners, Kaolinite pseudomorphs after Orthoclase feldspar were

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Dolomite cast after Calcite

$900

Tsumeb Mine, Namibia

Micro-crystals of creamy butter-milk Dolomite form a superb epimorph after triangular nail-head Calcite

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Malachite pseudomorph after Azurite

$1,800

Tsumeb Mine, Namibia

A 4 cm wide blade of micro-crystallised deep emerald to leaf-green Malachite completely replacing an Azurite

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Tennantite after Azurite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A well known if rare pseudomorph specimen of bladed Azurite completely replaced by metallic dark grey

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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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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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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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Calcite on Quartz with Siderite ps. after Stilbite

$350

Geevor Mine, England

A stunning cabinet sized specimen of milky-white rosettes of glassy Calcite perched over Chlorite-coated

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Calcite on Quartz with Siderite ps. after Stilbite

$600

Geevor Mine, England

A large, flat, triangular matrix of milky Quartz with its top surface completely covered in stubby Quartz

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Calcite pseudomorph after Aragonite

$450

Torr Works Quarry, England

A superb example of Calcite pseudomorphs after Aragonite on a small matrix of sooty-black manganese oxides

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Azurite with Malachite pseudomorph after Azurite

$8,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A spectacular and beautiful small cabinet specimen of glassy and gemmy deep blue Azurite crystals, silky

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Pyromorphite with Quartz after Baryte

$1,500

Hofsgrund, Germany

Rounded blades of Quartz, pseudomorphing after Baryte, each typically 5 x 1 cm, are coated with tiny

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Azurite on Malachite pseudomorph after Tennantite on Cuprian Smithsonite

$3,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An outstanding large miniature of highly reflective botryoidal mounds of pale apple-green Cuprian Smithsonite

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Arsentsumebite ps. after Mimetite with Azurite, Gartrellite, Olivenite and Malachite ps. after Azurite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

As the list of species suggests, this is one very busy specimen from Tsumeb with lots going on! It is unusual

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Willemite pseudomorph after Azurite

$2,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An incredibly rare specimen of turquoise-sky-blue Willemite pseudomorphing after a group of vertically

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Malachite ps. after Azurite with Cerussite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A highly vuggy and porous specimen of mixed Malachite and Cerussite from Tsumeb. The platy surfaces are coated

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Malachite ps. after Azurite with Bayldonite ps. after Mimetite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Velvety deep emerald-green pseudomorphs of Malachite after Azurite stand proud of a surrounding carpet of

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Gartrellite with Azurite and Malachite ps. after Azurite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A brecciated mixture of earthy yellowish lime-green Gartrellite; deep blue Azurite and bright emerald-green

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Malachite Pseudomorph Azurite on Quartz

$800

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A fine Malachite pseudomorph after Azurite from the Tsumeb Mine, Namibia. Intergrown blocky crystals of

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Galena Pseudomorph After Pyromorphite

$15,000

Kautenbach Mine, Germany

A consummate German classic specimen of Galena after Pyromorphite from the Kautenbach Mine. Well formed

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Malachite Pseudomorph After Azurite

$2,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An excellent pseudomorph of Malachite after Azurite from the famous Tsumeb Mine, Namibia. Well developed

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Malachite Pseudomorph After Azurite With Duftite

$4,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An excellent specimen of classic Azurite crystals replaced by Malachite from the Tsumeb Mine, Namibia. Well

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Malachite Pseudomorph After Azurite

$3,750

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Tsumeb Mine is well known for specimens displaying intriguing paragenesis. On this specimen it has a first

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Dolomite Pseudomorph Wulfenite

$12,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A super specimen of creamy crystallized thin druse of Dolomite and reddish Goethite mostly replaces excellent