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Oxides and Hydroxides

145 results

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Baryte on Hematite

$200

Blades of pure snow-white Baryte to 4.0 x 2.0 x 0.3 cm form an intergrown bed which covers an underlying

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Cuprite Var. “Chalcotrichite”

$650

From a Victorian collection, this lovely example of the acicular habit of Cuprite, “Chalcotrichite”, is from

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Cuprite

$300

Mashamba West Mine, Katanga Copper Crescent

Two lustrous metallic Cuprite crystals sit in a matrix of granular Cuprite and micro-crystalline Chrysocolla

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Cassiterite

$1,600

Viloco Mine, Bolivia

A superb specimen of excellent Cassiterite crystals with great lustre and a rich dark brown colour with a hint

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Bixbyite

$900

Thomas Range, Utah

Two excellent mirror bright jet-black cubic crystals of Bixbyite measuring to 6mm with corner and edge

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Hematite

$850

Ouro Preto, Brazil

A beautiful pair of hexagonal stacked crystals of Hematite form two rosettes slightly angled to one another,

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Cassiterite

$250

Wheal Kitty, England

Lustrous dark brown crystals of intergrown Cassiterite measuring to around 1cm with white Quartz crystals on a

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Hematite

$1,250

Rio Marina, Italy

A neat display of lustrous black and metallic grey intergrown crystals of Hematite from the classic iron

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Cuprite

$1,900

Wheal Druid, England

Well-developed very lustrous mostly octahedral crystals of Cuprite measuring to 4-5mm invest a white vein

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Hübnerite with Quartz

$750

Mundo Nuevo Mine, La Libertad Department

A very pleasing specimen of contrasting lustrous black prismatic crystals of Hübnerite measuring to

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Hübnerite with Quartz

$850

Pasto Bueno District, Peru

A neat aesthetic specimen of excellent broad-bladed metallic grey-black crystals of Hübnerite measuring

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Cassiterite

$250

Llallagua, Bolivia

A very rich specimen of Cassiterite from the sulphide and tin mining area of Llallagua, Bolivia. Fine

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Cuprite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Mirror-bright silvery Cuprite crystals to about 3-4mm completely coat an elongated, hillocky and vuggy plate

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Quartz "Japan Law Twin"

$2,500

A splendid, slightly smoky but almost colourless Quartz “Japan Law Twin” is perched towards one end of an

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Cuprite

$600

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

An excellent miniature of beautifully crystallised Cuprite lining a ribbon-like vug through the centre of a

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Hematite var Iron Rose

$600

A classic Iron Rose from Switzerland displaying a typical black mirror bright metallic lustre from

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Cuprite with Native Copper

$1,200

Liskeard, England

A fine classic Cornish Cuprite specimen from Liskeard, Cornwall, probably Minions-Linkinhorne mining area.

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Cuprite variety Chalcotrichite

$700

South Caradon Mine, England

A neat display of Cuprite variety Chalcotrichite forming two bright red nests of capillary crystals displayed

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Hematite

$140

A pleasing nobbly almost stalactitic display of onion-layered red-brown Hematite from the Ulverston Iron

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Hematite with Dolomite and Quartz

$250

Florence Mine, England

A neat detachable two-part specimen of red-brown Hematite Kidney Ore and a section of Kidney Ore

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Cassiterite with Chalcopyrite

$450

St. Agnes, England

An excellent vein section displaying dark grey side-cheeks of granular Cassiterite with Killas

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Hübnerite with Quartz and Pyrite

$1,500

Baia Sprie, Romania

A pleasing miniature specimen of intergrown lustrous black bladed crystals of Hübnerite, measuring to

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Cuprite

$500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A matrix of heavily iron-stained gossan is pervaded with acicular Quartz crystals and Cuprite, taking the form

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Hematite

$1,250

N'Chwaning Mines, South Africa

A choice miniature of intergrown crystals of Hematite, up to 1.5 cm across, from the N'Chwaning mines, South

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Hematite Iron Rose

$950

Central St. Gotthard Massif, Switzerland

Several bright metallic classic Iron Roses measuring to 2cm are clustered over a creamy white Adularia matrix

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CUPRITE

$700

An excellent small cabinet specimen of Cuprite from the classic and evocative mining district of Bisbee in the

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RUTILE with QUARTZ and CHLORITE

$1,200

Ticino, Switzerland

A beautiful and historic specimen of acicular crystals of Rutile on and in transparent Quartz (“rock crystal”)

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Columbite-(Mn)

$7,500

Elizabeth R Mine, USA

A rare specimen of Columbite-(Mn) displaying excellent bladed crystal form in parallel with the extensive

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Rutile

$850

Rauris Valley, Austria

A fine specimen of red to dark maroon red crystals of Rutile from micro to 6mm, with many displaying

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Cuprite with Native Silver

$7,500

A superb specimen of intergrown very lustrous Cuprite crystals with Native Silver from the find a few

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Anatase with Quartz

$3,000

Hardangervidda, Norway

A Norwegian classic specimen of well-formed lustrous dark blue-grey Anatase crystals measuring to 2cm, on

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Hausmannite with Calcite

$4,500

Wessels Mine, South Africa

Classic stepped habit octahedral crystal specimen of Hausmannite on gemmy colourless to white Calcite

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Hematite

$2,500

Wessels Mine, South Africa

Two very well formed lustrous intergrown crystals of Hematite measuring to 1.4cm displaying a V-like

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Cassiterite

$3,500

Cínovec / Zinnwald, Erzgebirge; Krusné Hory Mts

A fine specimen of intergrown very lustrous single and twinned Cassiterite crystals measuring to 2.2cm with a

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Cuprite var Chalcotrichite

$450

South Caradon Mine, England

An old 19th-century specimen of Chalcotrichite from the South Caradon Mine, quite a late development of a

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Cuprite var Chalcotrichite

$500

Marke Valley Mine, England

A very vuggy specimen of maroon coloured Cuprite with light blue-white Chrysocolla and whitish Kaolinite from

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Ferberite

$1,500

Thick tabular-bladed lustrous grey-black Ferberite intergrown as an open crystal group. individual crystal

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Cuprite

$2,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A fine crystal specimen of sparkling intergrown Cuprite crystals measuring to 5mm display

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Senarmontite

$300

Djebel Haminate Mine, Algeria

A very pleasing floater octahedral crystal of Senarmontite from the type locality at the Djebel Hammimat Mine,

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Szenicsite with Powellite

$4,500

Jardinera No 1 Mine, Chile

A large and impressive specimen of the rare mineral Szenicsite, a copper molybdate, from the type locality at

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Rutile with Quartz

$900

Kapudzhukh Mt, Nakhchivan Autonomous Republic

Two lustrous dark red-brown crystals of Rutile measuring to 1.8cm with internal red reflections under

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Hematite

$2,000

Wessels Mine, South Africa

A stunning specimen of mirror-bright, jet black Hematite with associated salmon-pink Andradite garnet from the

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Cuprian Adamite

$375

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A creamy, pale tangerine and deep chocolate-brown Dolomite matrix has a 4 x 3 cm surface totally encrusted

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Cuprian Adamite with Adamite, Willemite and Smithsonite

$950

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

The gently undulating top surface of a plate of massive Dolomite with included sulphide minerals is completely

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Cassiterite with Siderite and Quartz

$850

A classic specimen of lustrous and finely terminated black Cassiterite crystals are surrounded by light

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LINARITE with CERUSSITE

$1,300

Red Gill Mine, England

One of the classic minerals associated with the Caldbeck Fells is Linarite from the Red Gill mine. This neat

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Manganite

$3,500

Ilfeld, Germany

A superb specimen of classic Manganite from the Ilfeld, Germany. Excellent metallic black crystals of

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Hausmannite

$3,500

N'Chwaning Mines, South Africa

A very fine crystal specimen of Hausmannite from the N'Chwaning Mines, South Africa. Displaying excellent