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Oxides and Hydroxides

308 results

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Pyromorphite with Coronadite

$3,500

Broken Hill Proprietary Mine, New South Wales

An interesting specimen from the Broken Hill Proprietary Mine in Australia, this pyromorphite with Coronadite

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Malachite on Cuprite

$3,500

A well formed single octahedral crystal of Cuprite. The Cuprite crystal measures to 4cm on edge with a light

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Cuprite coated with Malachite

$2,500

Ogonja, Namibia

A well formed large Cuprite crystal and partly relapced with Malachite, from the Khomas region, Namibia.

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Goethite coating Cerussite after Anglesite

$1,250

Block 14, New South Wales

Sharp, blocky pseudomorphs of Cerussite after Anglesite, coated with jet-black Goethite are famous from the

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Smithsonite on Coronadite

$2,000

MMM Mine, Australia

A superb specimen of colourless to milky-white Smithsonite crystals forming rich clusters over a matrix of

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Hematite var. Iron Rose

$1,500

Mörchnerkar, North Tyrol

A choice, beautiful miniature of mixed Quartz and Muscovite capped with a Hematite ‘Iron Rose’, the variety

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Hematite

$850

Cavradi Gorge, Grischun

A magnificent small miniature, classic Iron Rose Hematite with multiple-stacked hexagonal plates that form a

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Hematite

$200

Cavradi Gorge, Grischun

A superb large thumbnail Hematite forms multiple-stacked, intense steely-black hexagonal plates with a bright,

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Hematite with Rutile on Quartz

$250

Cavradi Gorge, Switzerland

A beautiful small cluster of bright, black metallic Hematite crystals forming Iron Roses with burnt orange

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Hematite var. Iron Rose

$600

St. Gotthard, Switzerland

A chunky and robust Hematite Iron Rose, attached to a smear of granular milky-Quartz matrix, from the St.

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Hematite with Rutile on Quartz

$250

Cavradi Gorge, Grischun

A most elegant large thumbnail/small miniature of Hematite forming a curved group of intergrown Iron Rose

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Tyrolite, Tangdanite, Erythrite and Azurite

$1,500

Geyer - Silberberg District, North Tyrol

A highly brecciated specimen interwoven with fracture and pore-filled copper and cobalt mineralisation.

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Brookite on Quartz

$700

Switzerland, Europe

A delightful single terminated Brookite crystal emerges from a prism face of a glassy, part Quartz crystal

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Cassiterite

$750

Horni Slavkov (Schlaggenwald), Czech Republic

Beautiful lustrous black metallic Cassiterite crystals form an unusual multi-peaked specimen, resulting from

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Hematite with Rutile

$150

Cavradi Gorge, Grischun

A beautiful thumbnail of thin gemmy blades of burnt orange Rutile laying flat against a 1.8 x 1.7 x 0.3 cm

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Cassiterite

$1,500

Horni Slavkov (Schlaggenwald), Czech Republic

This beautifully aesthetic cluster of superb Cassiterite crystals will make a real show-stopper for many good

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Calcite with Pyrite and Goethite

$450

Pribram, Czech Republic

Glassy, translucent Calcite crystals cover a matrix of massive opaque white Calcite from the Příbram mining

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Cassiterite with Topaz and Hübnerite

$500

Horni Slavkov (Schlaggenwald), Czech Republic

A beautiful small miniature of Cassiterite with Topaz and Hübnerite from Horní Slavkov in the Karlovy Vary

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Quartz var. Amethyst

$250

Horni Slavkov (Schlaggenwald), Czech Republic

A nice elongated cluster of Amethyst Quartz, with a little attached etched snow-white Quartz, from Horní

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Cassiterite

$1,250

Horni Slavkov (Schlaggenwald), Czech Republic

A gorgeous weighty cluster of lustrous black metallic Cassiterite crystals from Horní Slavkov in the Czech

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Cassiterite

$120

St. Michael's Mount, England

A compact miniature which aptly demonstrates key mineralisation at the iconic landmark of St. Michael's Mount

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Cassiterite with Wolframite

$250

Goonbarrow China Clay Pit, England

Black granular Cassiterite and lustrous black blades of Wolframite richly cover and pervade a block of remnant

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Goethite ps. after Marcasite

$250

Wapping Mine, England

Cogwheel-like, angular crystals of rusty to dark chocolate-brown Goethite form excellent pseudomorphs after

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Crednerite

$300

Torr Works Quarry, England

Black platy crystals of the copper-manganese oxide, Crednerite, are intermixed with black sooty manganese

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Hematite var. Specularite

$200

Florence Mine, England

A classic example of Specularite, the metallic bladed variety of Hematite from Florence mine near Egremont in

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Cassiterite

$100

Great Wheal Fortune, Cornwall

Great Wheal Fortune, close to the village of Breage and north-west of Helston, operated between 1855 and

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Romanèchite

$350

Adam Heber Mine, Saxony

A fine small miniature of botryoidal Romanèchite from the Adam Heber mine near Neustädtel in Saxony,

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Pyrolusite

$400

Eisenkaute Mine, Rhineland-Palatinate

An amazing sculptural array of divergent sprays of steel-grey Pyrolusite from the Eisenkaute mine at

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Pyrolusite

$850

Eisenzecher Zug Mine, North Rhine-Westphalia

A very fine and beautifully crystallised Pyrolusite from the Eisenzecher Zug mine at Eiserfeld in North

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Manganite

$3,000

Ilfeld, Germany

A superb specimen of excellent black metallic Manganite crystals from the classic locality of Ilfeld at

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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 Payún volcano in Mendoza Province,

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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

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Hematite

$1,500

Schmiedeberg, Saxony

A hillocky, long and narrow Hematite and milky Quartz matrix, richly coated with micro, sub-mm Hematite

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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

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Goethite

$1,250

Hollister Zug, Rhineland-Palatinate

A stockwork of thin carbonate veins, probably Calcite or Dolomite, form a honeycomb structure of individual

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Lepidocrocite

$1,200

Siegen, North Rhine-Westphalia

Labelled in the Archduke and Rumpff collections as Goethite, this small miniature has an area of

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Hematite var. Pencil Ore

$200

Furness Region, Cumbria

The variety of Hematite termed Pencil Ore from the Furness Region of Cumbria, England has a fibrous

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Goethite on Quartz

$200

Restormel Royal Iron Mine, England

Based on the attached faded copperplate, hand written label, this is an old time Goethite on Quartz from the

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Hematite and Quartz

$550

Florence Mine, England

A splendid small cabinet specimen of smoky double terminated Quartz crystals overlaying a bed of finely

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Cuprite

$450

Wheal Gorland, England

An interesting specimen of micro-crystallised Cuprite which cements brecciated fragments and shards of

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Libethenite on Quartz

$450

Phoenix United Mine, Cornwall

An excellent specimen of deep bottle-green Libethenite crystals richly lining shallow open vugs in a

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Brookite

$150

Prenteg, Wales

At least six blades of gemmy, bronze-clove-brown Brookite nestle amongst an Alpine-style vein Quartz from its

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Cassiterite

$300

St Agnes, Cornwall

A roughly 3 x 1.5 cm area of nicely crystallised Cassiterite crystals on a mid-grey killas matrix, from the

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Rockbridgeite-Hentschelite var. Andrewsite

$400

Phoenix United Mine, Cornwall

The classic Cornish mineral Andrewsite is actually a mixture of Rockbridgeite and Hentschelite with minor

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Chrysoberyl

$750

Ambatondrazaka District, Toamasina Province (Tamatave)

A beautiful acidic apple-green chevroned-array of Chrysoberyl crystals forming a flat platy specimen from the

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Hematite

$1,200

Nador, Oriental Region

A highly aesthetic and unusual Hematite specimen from Nador in the Oriental Region of Morocco, also referred

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Cuprite with Olivenite

$2,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A pair of magnificent, deep burgundy, octahedral Cuprite crystals, together with one partly intergrown smaller

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Siderite on Hematite

$600

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Siderite is yet another common mineral at Tsumeb, but rare as well crystallised specimens suitable for