Pseudomorphs

124 results

Tennantite after Azurite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A well-known yet rare pseudomorph of bladed Azurite completely replaced by metallic dark grey Tennantite, the
Azurite with Bayldonite and Malachite ps. after Azurite
$600
 Tsumeb Mine, Namibia
This quite delightful miniature of beautifully crystallised Azurite is a busy and interesting specimen because
Azurite with Malachite ps. after Azurite
$3,500
 Chessy-les-Mines, Auvergne-Rhône-Alpes
A gorgeous group of tabular Azurite crystals with some areas pseudomorphing to Malachite after Azurite, from
Chrysocolla ps. After Malachite ps. After Azurite with Quartz
$900
 Tenke-Fungurume area, DR Congo
A completely naturally flat plate of dark green Malachite is overgrown with pastel sky-blue Chrysocolla
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
Malachite pseudomorph after Cuprite on Calcite
$600
 Tsumeb Mine, Namibia
This is a lovey and rare example of Malachite pseudomorphing after Cuprite from the Tsumeb mine in
Hematite ps. after Magnetite var. Martite
$600
 Payún volcano, Mendoza Province
A stunning and classic pseudomorph of Hematite after Magnetite from the Payún volcano in Mendoza Province,
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$2,500
 Tenke-Fungurume area, DR Congo
A super-unusual small cabinet specimen of vivid sky-blue Chrysocolla preferentially coated with orange-tan
Malachite pseudomorph after Azurite
$400
 Tsumeb Mine, Namibia
A choice large thumbnail specimen of Malachite pseudomorphing after Azurite forming a 2.0 x 0.9 x 0.4 cm
Cerussite after Anglesite with Coronadite
$1,250
 Broken Hill Mine, Australia
A large cabinet specimen of sooty black Coronadite thickly coating crystals of Cerussite forming excellent
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$2,800
 Tenke-Fungurume area, DR Congo
The Democratic Republic of the Congo (DRC) is the largest country in sub-Saharan Africa and the Kolwezi mining
Chalcophyllite partially pseudomorphing to Chrysocolla
$300
 Wheal Gorland, England
A rare and most unusual miniature of Chalcophyllite partially pseudomorphing to Chrysocolla from Wheal Gorland
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 with Cerussite
$900
 Tsumeb Mine, Namibia
This ex-matrix pseudomorph of beautiful light emerald green Malachite replacing Azurite is from the Tsumeb
Orthoclase pseudomorph after Leucite
$800
 Kalehöyük, Kırşehir Province
The mineral occurrence at Kalehöyük in central Turkey is only known for two minerals, Leucite and Orthoclase,
Azurite with Malachite pseudomorphing after Azurite
$5,000
 Tsumeb Mine, Namibia
Azurite from Tsumeb in Namibia occurred down through the mine as far as the 2nd Oxidation Zone and over the
Quartz with Quartz pseudomorphing after Calcite
$950
 Dal'negorsk, Far-Eastern Region
A quite extraordinary specimen of Quartz from the Dal'negorsk mining region in Primorskiy Kray in the
Malachite ps. after Azurite with Gartrellite and Azurite
$6,000
 Tsumeb Mine, Namibia
This amazing cabinet specimen is one of the richest in Gartrellites I have ever seen, not to mention the
Azurite partly pseudomorphing to Malachite
$7,500
 Tsumeb Mine, Namibia
Although Tsumeb mine is famous for its diversity of mineral species, its number of type localities and
Kaolinite pseudomorphing after Orthoclase
$400
 Melbur China Clay Pit, England
Colloquially known as a “Pig’s Egg” by miners and collectors alike, Kaolinite pseudomorphs after Orthoclase
Native Silver pseudomorphing after Pyrargyrite and Stephanite
$900
  Pribram, Czech Republic
Rare silver minerals frequently occurred in the ore deposits of the Příbram Mining District within the Czech
Native Silver pseudomorphing after Dyscrasite
$1,200
  Pribram, Czech Republic
The ancient mining district of Příbram in the Czech Republic produced many fabulous pseudomorphs of Native
Native Silver pseudomorph after Dyscrasite
$900
  Pribram, Czech Republic
A magnificent ex-matrix large miniature of Native Silver pseudomorphing crystals of Dyscrasite from the
Tetrahedrite with Chalcopyrite, Galena and Quartz
$1,500
 Herodsfoot Mine, England
A quite magnificent specimen of Tetrahedrite with Chalcopyrite and Galena from Herodsfoot mine at Lanreath,
Cerussite ps. after Anglesite with Coronadite
$950
 Broken Hill, Australia
This large cabinet size Cerussite pseudomorphing after Anglesite and coated with Coronadite is a Broken Hill
Hematite ps. after Magnetite var. Martite
$500
 Payún Matrú volcano, Argentina
This is quite an amazing miniature specimen composed of aligned rows and columns of superbly crystallised
Native Silver ps. after Dyscrasite
$1,500
  Pribram, Czech Republic
This most unusual large miniature is a pseudomorph of Native Silver replacing the silver antimonide
Malachite pseudomorph after Azurite
$1,800
 Touissit, Morocco
The naming of specimens for their resemblance to something or other is widespread amongst mineral collectors,
Bindheimite and Malachite ps. after Bournonite
$2,500
 Hüttenberg, Carinthia
Bindheimite is a hydrous lead antimony oxide produced from the alteration of other ores and is a species still
Chrysocolla ps. after Malachite ps. after Azurite
$6,000
 Tenke-Fungurume area, DR Congo
During 2019 an excellent discovery of Chrysocolla replacing Malachite after Azurite and coated in Quartz, was
Chrysocolla ps. after Malachite ps. after Azurite
$1,200
 Tenke-Fungurume area, DR Congo
An outstanding cabinet-size, double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite
$4,000
 Tenke-Fungurume area, DR Congo
A stunning and showy cabinet-size, double pseudomorph of intense sky-blue Chrysocolla replacing Malachite
Chrysocolla ps. after Malachite ps. after Azurite
$2,500
 Tenke-Fungurume area, DR Congo
An unusual double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in
Malachite ps. after Azurite with Azurite and Duftite
$800
 Tsumeb Mine, Namibia
Within the world-famous Tsumeb mine in Namibia, Malachite pseudomorphing after Azurite was ubiquitous
Chrysocolla ps. after Malachite ps. after Azurite
$400
 Tenke-Fungurume area, DR Congo
Bladed and stalagmitic habits of Chrysocolla pseudomorphing after Malachite, itself pseudomorphing after
Chrysocolla ps. after Malachite ps. after Azurite
$600
 Tenke-Fungurume area, DR Congo
From the Tenke-Fungurume area of the Kolwezi mining district in the Democratic Republic of the Congo, this
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$6,500
 Tenke-Fungurume area, DR Congo
Pseudomorphs of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz form an
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$5,000
 Tenke-Fungurume area, DR Congo
An arresting large miniature double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,000
 Tenke-Fungurume area, DR Congo
A spear-shaped double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
This fine sculptural pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and coated in
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,300
 Tenke-Fungurume area, DR Congo
A fabulous pair of broad, V-shaped crystals composed from double pseudomorphs of intense sky-blue Chrysocolla
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,200
 Tenke-Fungurume area, DR Congo
Two prominent and one smaller crystal form an unusual double pseudomorph of intense sky-blue Chrysocolla
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$7,500
 Tenke-Fungurume area, DR Congo
This museum-grade double pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$2,000
 Tenke-Fungurume area, DR Congo
A delicate open cluster of double pseudomorphs of creamy duck egg blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
This striking double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,100
 Tenke-Fungurume area, DR Congo
Two former tabular Azurite crystals, now pseudomorphed to Chrysocolla via an intermediate stage of Malachite,
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,800
 Tenke-Fungurume area, DR Congo
A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz