Pseudomorphs

123 results

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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 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

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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,

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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

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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

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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

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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

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Chalcophyllite partially pseudomorphing to Chrysocolla

$300

Wheal Gorland, England

A rare and most unusual miniature of Chalcophyllite partially pseudomorphing to Chrysocolla from Wheal Gorland

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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

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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

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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,

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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

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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

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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

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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

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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

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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

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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

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Native Silver pseudomorph after Dyscrasite

$900

Pribram, Czech Republic

A magnificent ex-matrix large miniature of Native Silver pseudomorphing crystals of Dyscrasite from the

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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,

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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

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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

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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

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Malachite pseudomorph after Azurite

$1,800

Touissit, Morocco

The naming of specimens for their resemblance to something or other is widespread amongst mineral collectors,

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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

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Chrysocolla ps. after Malachite ps. after Azurite

$1,800

Tenke-Fungurume area, DR Congo

An excellent discovery of Chrysocolla replacing Malachite after Azurite and coated in Quartz, was made in 2019

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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,

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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

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,800

Tenke-Fungurume area, DR Congo

This extraordinary column-like miniature is an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

An unusual double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,200

Tenke-Fungurume area, DR Congo

This impressive miniature of towering Tolkienesque mountains is composed from unusual double pseudomorphs of