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Oxides and Hydroxides
Oxides and Hydroxides
358 results
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Libethenite
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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,
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