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Oxides and Hydroxides

Oxides and Hydroxides

358 results

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Libethenite

$850

M'sesa Mine, DR Congo

A rich and stunning group of dark leaf green Libethenite crystals line a shallow, open vug in a matrix of

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Hematite

$700

Hematite occurrence, Morocco

Many present-day collectors are familiar with the blue Baryte specimens being produced form this locality,

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Rutile var. Sagenite

$4,500

Pfitsch Pass, Austria

The Zillertal Valley is situated in spectacular mountain scenery in the Tyrol state of Austria and is host to

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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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Manganite

$700

Ilfeld, Germany

Some of the best specimens of Manganite in the world have come from Ilfeld in the Harz Mountains of central

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Hematite with Rutile

$250

Cavradi Gorge, Grischun

Two tiny root beer-brown, terminated Rutile crystals sit flat against a 2 cm tall metallic black Hematite

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Anatase on Faden Quartz

$300

This delightful small miniature/large thumbnail of the titanium dioxide Anatase on Faden Quartz is a Swiss

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Hematite var. Kidney Ore

$6,500

Cleator Moor Iron Mine, Cumbria

The village of Cleator Moor lies halfway between the west Cumbrian towns of Frizington and Egremont and had

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Botallackite

$1,500

Cligga Mine, England

A weathered plate of mottled Cligga Head granite, its top surface richly coated with deep green-teal-blue

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Hematite var. Specularite

$1,700

Florence Mine, England

Arguably, the most iconic mineral from the West Cumbrian iron ore field is that of Specularite or Specular

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Hematite var. Kidney Ore

$800

Florence Mine, England

The botryoidal variety of Hematite known as Kidney Ore was found throughout Florence mine, just east of the

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Hematite var. Specularite

$200

Florence Mine, England

Specularite is the black, crystallised variety of Hematite and this is a great miniature specimen, ideal for

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Mendipite

$200

Torr Works Quarry, England

This small cabinet specimen is a fine example of the rare lead oxyhalide, Mendipite, named for the Mendip

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Hematite

$400

West Cumberland Iron Ore Field, England

“What a whopper” comes to mind lifting this good-size cabinet specimen of botryoidal Hematite, of the variety

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Cassiterite

$170

Dolcoath Mine, England

Dolcoath was known as the Queen of Cornish Mines because of its size and wealth, being one of the largest

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Corundum var. Ruby

$2,500

Froland, Norway

A splendid example of Ruby Corundum on matrix from the Froland region in the county of Agder in southern

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Goethite on Smoky Quartz

$500

Freisen, Germany

This excellent Smoky Quartz-lined geode, containing a 6 cm long infilling of superbly crystallised acicular

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Pyrolusite

$450

Taylor Mine, USA

This flattened radial fan of superb Pyrolusite crystals against a bed of micro-crystalline smoky Quartz is a

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Hausmannite

$800

Oehrenstock, Germany

This lovely small miniature of well crystallised Hausmannite is from its type locality at Oehrenstock in the

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Pyrolusite

$700

Gremmelsbach, Germany

Pyrolusite, a manganese dioxide species, is one of those minerals which commonly occurs as a minor coating or

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Cuprite

$250

Tsumeb Mine, Namibia

For a miniature specimen, this Cuprite has exceptionally fine quality crystals and is a splendid example from

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Cassiterite

$1,600

Ehrenfriedersdorf, Germany

Oh, what a little beauty, but then I am biased with a great soft spot for Cassiterite! This

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Cassiterite

$900

Inverell, New South Wales

Inverell is a little-known locality in Gough County, New South Wales, Australia, commonly known as ‘Sapphire

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Goethite on Quartz with Microcline

$300

Lake George Area, USA

This is one of those one-off, unusual quirky specimens which makes you smile simply because it is that bit

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Hausmannite

$400

Oehrenstock, Germany

This rich small miniature of the manganese oxide Hausmannite is from it type locality at Oehrenstock in the

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Cuprite with Native Copper

$1,500

Wheal Gorland, England

This fine small cabinet specimen of Cuprite and Native Copper crystals is from the world-famous Wheal Gorland

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Corundum var. Ruby

$3,500

Sivec marble quarries, North Macedonia

The ancient Sivec marble quarries on Sivec Mountain in North Macedonia are believed to have begun operations

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Manganite

$2,500

Ilfeld, Germany

Manganite from its type locality at Ilfeld in Thuringia, Germany, is a world-classic and makes an essential

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Magnetite with Fluorapatite and Tremolite

$800

Malmberget, Sweden

A delightful combination of well crystallised black lustrous Magnetite and buff to gooseberry-green

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Malachite on Cuprite on Azurite

$450

Chessy-les-Mines, Auvergne-Rhône-Alpes

Malachite coating octagonal Cuprite crystals from Chessy-les-Mines at Villefranche in France is one of the

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Cassiterite

$450

Ehrenfriedersdorf, Germany

Ehrenfriedersdorf is a town in the district of Erzgebirge in Saxony, Germany and the district surrounding it

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Cassiterite

$500

Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)

A gorgeous thumbnail of domed lustrous black Cassiterite crystals from the famous tin deposit which spans the

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Cassiterite

$1,250

Horní Slavkov (Schlaggenwald), Bohemia

An ex-matrix, spectacular twinned Cassiterite crystal from the mines at Horní Slavkov in the former Bohemia

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Cassiterite

$2,000

Krásno, Bohemia

A magnificent group of jet-black Cassiterite crystals up to around 3 cm long and forming stellate repeated

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Cassiterite with Quartz and Zinnwaldite

$700

Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)

For me, Cassiterite crystals always add a pang of excitement to a specimen, but perhaps I need to get out more

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Bixbyite

$250

Thomas Range, Utah

A fine example of the rare manganese oxide Bixbyite from the Thomas Range in Juab County, Utah, USA. A

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Cassiterite

$350

Krásno (Schönfeld), Bohemia (Böhmen; Boehmen)

We seldom see good crystals of Cassiterite from the tin-tungsten deposit at Krásno in the Karlovy Vary Region

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Cuprite on Primary Malachite

$1,250

Mashamba West Mine, Lualaba

A fabulous octahedral Cuprite crystal, 1.4 cm wide, rests at an acute angle, part embedded in a small matrix

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Zincite

$2,500

Franklin, New Jersey

The famous Franklin-Ogdensberg mining district exploited one of the world’s most species-rich and diverse

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Spinel

$2,000

Morogoro, Tanzania

When more closely examined, this large deep cherry-red octahedral Spinel crystal is seen to be a composite

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Calcite with Pyrolusite

$400

Tsumeb Mine, Namibia

Sharp, sugary-white Calcite forms an open cluster of rhombohedral crystals of varying size, ranging from just

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Cassiterite

$350

St Agnes, Cornwall

This miniature is a lovely example of crystallised Cassiterite from St. Agnes, the beautiful coastal village

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Hematite var. Kidney Ore

$300

Goose Green Mine, Cumbria

A delightful mamillary mound of Kidney Ore, the botryoidal habit of Hematite. The Hematite forms an

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Cassiterite

$150

Goonbarrow China Clay Pit, England

I don’t think this Cassiterite specimen would win any prizes for its beauty, but for those connoisseurs of

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Hematite var. Kidney Ore

$1,200

Cleator Moor, Cumbria

Once plentiful, good specimens of classic Kidney Ore, the mamillated botryoidal form of Hematite, are becoming

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Malachite on Crednerite

$350

Torr Works Quarry, England

Specimens from the Torr Works quarry in Somerset, better known among collectors as Merehead quarry, are highly

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Franklinite with Zinkenite, Willemite and Calcite

$250

Franklin Furnace, New Jersey

The Franklin-Stirling Hill orebody is one of the most diversely mineralised deposits on Earth containing over

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Quartz with Hematite inclusions

$5,000

Itremo massif, Fianarantsoa Province

This small museum size-specimen of superbly crystallised Quartz, blushed with salmon-pink Hematite inclusions,