Pseudomorphs

116 results

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
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
Galena ps. after Pyromorphite
$8,000
 Kautenbach Mine, Rhineland-Palatinate
The Kautenbach mine near the town of Traben-Trarbach in Rhineland-Palatinate, Germany, is famous for its
Miargyrite
$12,500
 San Genaro Mine, Peru
This wonderful specimen of the rare silver-antimony sulphosalt Miargyrite is from the San Genaro mine in
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
Goethite coating Cerussite after Anglesite
$850
 MMM Mine, Australia
There is always something rather fascinating with sooty-black Goethite coating Cerussite after Anglesite,
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
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,
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
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
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
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
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
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)
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
Enargite pseudomorph after Azurite
$9,500
 Tsumeb Mine, Namibia
A wonderful small cabinet specimen of large, well defined Enargite pseudomorphed crystals after Azurite from
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
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
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
Marcasite ps. after Calcite
$150
 Axbridge Hill, Somerset
An interesting and rare Marcasite pseudomorph after Calcite from Axbridge Hill in the Mendip Hills, Somerset,
Goethite ps. after Marcasite
$250
 Wapping Mine, England
Cogwheel-like, angular crystals of rusty to dark chocolate-brown Goethite form excellent pseudomorphs after
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,
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
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
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
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
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
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
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
Conichalcite pseudomorph after Calcite
$850
 Lavrion, Greece
A superb small miniature of limey-apple-green Conichalcite pseudomorphing after Calcite as 2 to 3 mm,
Malachite pseudomorph after Azurite
$250
 Tsumeb Mine, Namibia
An impressive miniature of Malachite pseudomorphs after Azurite from the Tsumeb mine in Namibia.  A
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
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,
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
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
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
Dolomite cast after Calcite
$900
 Tsumeb Mine, Namibia
Micro-crystals of creamy butter-milk Dolomite form a superb epimorph after triangular nail-head Calcite
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
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
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
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
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
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
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
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
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
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
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