Pseudomorphs

49 results

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Kaolinite ps. after Orthoclase

$500

Melbur China Clay Pit, England

A beautifully crisp and perfectly formed pseudomorph of Kaolinite after an interpenetrant Orthoclase Carlsbad

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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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Galena pseudomorph after Orthoclase

$200

Nassau, Germany

A great ex-matrix specimen of a Galena pseudomorph after an Orthoclase feldspar Carlsbad twin from Nassau,

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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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Pyrolusite ps. after Calcite

$450

Ilfeld, Germany

An excellent pseudomorph of coal-black metallic Pyrolusite replacing a stack of rhombohedral Calcite crystals

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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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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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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

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Quartz Cast Epimorph After Fluorite

$100

Holmbush Mine, England

A cast like specimen of white-creamy Quartz with epimorphic impressions of octahedral Fluorite crystals from

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Quartz Pseudomorph After Fluorite

$650

Wheal Mary Ann, England

Classic creamy white dome of Chalcedony Quartz as a pseudomorphic replacement of intergrown octahedral

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Quartz Epimorph After Fluorite

$200

Wheal Jane, England

A white druse crystal shell of sparkling Quartz has formed over a grey-green Chlorite, which had in turn once

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Quartz After Fluorite

$400

Wheal Mary Ann, England

Probably one of the most recognisable mineral specimens from the South West Orefield. A specimen showing

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Malachite Pseudomorph After Azurite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Classic Tsumeb Mine Malachite Pseudomorph after Azurite crystals in a V-like configuration. Crystals of

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Ferberite Pseudomorph After Scheelite

$350

Drakelands Mine, England

A rarity from the Drakelands Mine (Hemerdon Mine), Sparkwell, Devon. A single pyramidal trigonal crystal of

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Malachite Pseudomorph After Azurite

$900

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Classic well formed Tsumeb Mine pseudomorph of Malachite after Azurite. The major replaced crystal measures to

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Malachite Pseudomorph After Azurite

$2,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A smooth Malachite pseudomorph of Azurite from the Tsumeb Mine, Namibia. Replaced crystals of Azurite measures

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Azurite Partly Pseudomorphed By Malachite

$1,400

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A very fine inter grown group of thickly bladed Azurite crystals from the Tsumeb Mine, Namibia. Crystals of

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Smithsonite Psuedomorph After Dolomite

$5,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An unusual pseudomorph of Smithsonite after Dolomite formed on a Dolomite cast. Smithsonite replaced crystals

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Malachite Pseudomorph After Cuprite

$750

Hilarion Mine, Greece

Two excellent crystals of Cuprite have been replaced by green Malachite on a gossan Goethite matrix, from the