Pseudomorphs

72 results

Miargyrite
$12,500
 San Genaro Mine, Peru
This wonderful specimen of the rare silver-antimony sulphosalt Miargyrite is from the San Genaro mine in
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
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
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
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
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
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
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
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
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
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
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
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
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
$350
 Geevor Mine, England
A stunning cabinet sized specimen of milky-white rosettes of glassy Calcite perched over Chlorite-coated
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