Pseudomorphs

72 results

Buy Now View Item

Miargyrite

$12,500

San Genaro Mine, Peru

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

Buy Now View Item

Bayldonite pseudomorph after Cerussite

$7,500

Tsumeb Mine, Namibia

This extraordinary rod-like specimen of Bayldonite pseudomorphing after Cerussite is from the Tsumeb mine in

Buy Now View Item

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

Buy Now View Item

Goethite coating Cerussite after Anglesite

$850

MMM Mine, Australia

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

Buy Now View Item

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

Buy Now View Item

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,

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Malachite pseudomorph after Azurite with Azurite

$600

Tsumeb Mine, Namibia

For the seasoned collector of Tsumeb, myself included, it is all too easy not to give a second glance at yet

Buy Now View Item

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

Buy Now View Item

Kaolinite ps. after Orthoclase

$900

Goonbarrow China Clay Pit, England

The superb Kaolinite pseudomorphs after Orthoclase feldspar found in many of Cornwall’s china clay pits (CCPs)

Buy Now View Item

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

Buy Now View Item

Enargite pseudomorph after Azurite

$9,500

Tsumeb Mine, Namibia

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Marcasite ps. after Calcite

$150

Axbridge Hill, Somerset

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

Buy Now View Item

Goethite ps. after Marcasite

$250

Wapping Mine, England

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

Buy Now View Item

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,

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Conichalcite pseudomorph after Calcite

$850

Lavrion, Greece

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

Buy Now View Item

Malachite pseudomorph after Azurite

$250

Tsumeb Mine, Namibia

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

Buy Now View Item

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

Buy Now View Item

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,

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Dolomite cast after Calcite

$900

Tsumeb Mine, Namibia

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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