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Oxides and Hydroxides
Oxides and Hydroxides
440 results
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Magnetite with Chlorite
Magnetite with Chlorite
$150
Kurzhunkul' deposit, Kostanay Region
At $150 this ultra-lustrous Magnetite, with superb crystals of silvery-greyish sage green Chlorite, is a great
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Quartz var. Eisenkiesel on Hematite
Quartz var. Eisenkiesel on Hematite
$400
Margaret Mine, Cumbria
A most attractive small cabinet specimen of lustrous, smoky orange Eisenkiesel crystals scattered over an
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Cuprite var. Chalcotrichite
Cuprite var. Chalcotrichite
$450
Wheal Phoenix, England
Many blood red areas of Chalcotrichite, the acicular variety of Cuprite, line shallow vugs of up to 2 cm long
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Cuprite
Cuprite
$1,300
Wheal Gorland, England
A very rich crystallised cabinet specimen of intergrown, deep maroon octahedral Cuprite crystals measuring to
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Quartz with Hematite
Quartz with Hematite
$650
Frizington, England
An excellent example of equant, well developed and glassy, double-terminated Quartz crystals included with
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Cassiterite with minor Fluorapatite
Cassiterite with minor Fluorapatite
$350
Mount Bischoff mine, Tasmania
A rare location specimen of well crystallised Cassiterite on mica with a small Fluorapatite crystal, from
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Hematite
Hematite
$3,500
N'Chwaning II Mine, South Africa
Be you a systematic, South Africa or even specialist N'Chwaning collector, this outstanding Hematite would
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Cassiterite and Fluorite on Quartz
Cassiterite and Fluorite on Quartz
$350
Krupka (Graupen), Bohemia
Wow! A delightful and quite different combination of lustrous black Cassiterite crystals alongside tiny,
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Calcite on Quartz var. Chalcedony
Calcite on Quartz var. Chalcedony
$400
Hüttenberger Erzberg, Carinthia
Pale milky-white, double terminated scalenohedral Calcite crystals to about 5 mm are preferentially developed
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Rutile
Rutile
$850
Rauris Valley, Austria
A fine cabinet specimen of red to dark maroon Rutile crystals which range from micro to 6 mm, with many
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Manganite
Manganite
$900
Ilfeld, Germany
A compact group of metallic, lustrous black Manganite crystals to 2.5 cm with a little white Baryte from the
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Hematite
Hematite
$450
N'Chwaning II Mine, South Africa
This miniature crystallised Hematite is from the world-famous N'Chwaning II mine in the Kalahari Manganese
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Siderite with Rutile
Siderite with Rutile
$1,200
Furka basis tunnel (east section), Uri
An excellent cluster of dappled, yellowish-caramel brown Siderite forming intergrown rhombic crystals to 3 cm.
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Adamite
Adamite
$750
Tsumeb Mine, Namibia
We are all familiar with Adamite from many locations and indeed it is always a great mineral to find or have
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Magnetite
Magnetite
$700
Dashkesan Co-Fe Deposit, Dashkesan District
Large, slightly flattened octahedral Magnetite crystals sit either side of a grey-green quartzite matrix from
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Mottramite
Mottramite
$900
Tsumeb Mine, Namibia
This lovely large miniature of pistachio green Mottramite is from the Tsumeb mine in the Oshikoto Region of
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Willemite var. Troostite with Zincite and Franklinite
Willemite var. Troostite with Zincite and Franklinite
$400
Sterling Mine, New Jersey
Excellent Willemite crystals of the variety Troostite compose the bulk of this large miniature from one of
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Native Copper with Cuprite
Native Copper with Cuprite
$350
St Day United Mines, Cornwall
The original Poldice mine was mining tin as early as 1748, becoming part of the St. Day United Mines group
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Hematite with Chalcopyrite on Siderite
Hematite with Chalcopyrite on Siderite
$3,500
Carn Brea Mine, England
Carn Brea mine formerly lay in the district of Illogan at the northern foot of Carn Brea, an elongated hill
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Hematite
Hematite
$350
Cleator Moor, Cumbria
Rather deceptively, Cleator Moor is both a town and a civil parish, but not a moor! It is located about
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Rutile
Rutile
$250
Modriach, Styria
A well terminated, metallic dark chocolate-brown crystal of Rutile measuring 2.0 x 1.7 x 1.2 cm protrudes from
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Cassiterite and Arsenopyrite on Quartz
Cassiterite and Arsenopyrite on Quartz
$300
Yaogangxian Mine, China
Many a specimen from the Yaogangxian mine in Yizhang County, Hunan Province, China, passes though our hands
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Magnetite
Magnetite
$300
Possibly [Ivrea], Piedmont
An interesting miniature of Magnetite from the Aosta Valley in Piedmont, Italy. We are most familiar with
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Cassiterite with Scheelite and Muscovite
Cassiterite with Scheelite and Muscovite
$500
Mt. Xuebaoding, Sichuan Province
If this quite fabulous Cassiterite with Scheelite and Muscovite is anything to judge by, Mount Xuebaoding
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Spinel with Diopside
Spinel with Diopside
$250
Gon phlogopite deposit, Sakha Republic
A compact large miniature packed with large black Spinel and green Diopside crystals, cemented by a minor
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Spinel with Chondrodite and Muscovite in Calcite
Spinel with Chondrodite and Muscovite in Calcite
$200
Edenville, New York
An interesting miniature from an interesting and rare locality. Edenville-Town of Warwick is a roughly
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Hematite with Andradite Garnet
Hematite with Andradite Garnet
$500
Wessels Mine, South Africa
Wowsers! What a truly remarkable and astonishing large cabinet specimen of wonderfully crystallised metallic
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Cafarsite
Cafarsite
$3,500
Wanni Glacier, Switzerland
A very fine example of the rare calcium iron arsenite Cafarsite from its type locality at the Wanni Glacier in
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Heterogenite with Malachite
Heterogenite with Malachite
$350
L'Etoile du Congo Mine, Katanga Copper Crescent
This showy cabinet specimen of beautifully crystallised Heterogenite and Malachite is from the L'Etoile du
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Cassiterite
Cassiterite
$2,500
Horni Slavkov (Schlaggenwald), Czech Republic
A part of a large twinned Cassiterite crystal displaying the twining to advantage by prominent re-entrant
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Ferberite
Ferberite
$450
Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)
A mass of greyish-black Ferberite from Cínovec-Zinnwald, the orebody which spans the border between Germany
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Hausmannite
Hausmannite
$400
Oehrenstock, Germany
A rich small miniature of the manganese oxide Hausmannite from its type locality at Oehrenstock in the Ilmenau
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Manganite
Manganite
$2,000
Ilfeld, Germany
Manganite from Ilfeld in the Harz district of Germany is regarded as one of the world’s most iconic minerals
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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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Cassiterite var. Wood Tin with Quartz and Dolomite
Cassiterite var. Wood Tin with Quartz and Dolomite
$500
Cornwall, England
A good example of the variety of Cassiterite known as Wood Tin, due to its concentric banded appearance. This
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Smoky Quartz with Cassiterite on Zinnwaldite
Smoky Quartz with Cassiterite on Zinnwaldite
$500
Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)
From the Cínovec-Zinnwald ore field which extends into both Germany and the Czech Republic, this Smoky Quartz
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Hematite
Hematite
$400
Fibbia, Ticino (Tessin)
Parallel hexagonal plates of metallic silver-black Hematite, attached to a little milky Quartz, form a
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Calcite with Limonite inclusions
Calcite with Limonite inclusions
$400
Gillfoot Park Mine, England
Gillfoot Park mine was a little to the northwest of the town of Egremont in West Cumbria, England. As a
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Cassiterite (twin)
Cassiterite (twin)
$600
Horní Slavkov, Karlovy Vary Region
A superb twinned crystal of highly lustrous black Cassiterite measuring to 2.4 cm from Horni Slavkov in the
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Andrewsite (Hentschelite-Rockbridgeite-Chalcosiderite mixture)
Andrewsite (Hentschelite-Rockbridgeite-Chalcosiderite mixture)
$400
Phoenix United Mine, Cornwall
The classic Cornish mineral Andrewsite is actually a mixture of Rockbridgeite and Hentschelite with minor
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Nasonite in Datolite and Goethite
Nasonite in Datolite and Goethite
$300
Torr Works Quarry, England
Nasonite is one of the Holy Grails from the rare oxychloride suite occasionally found in Torr Works quarry at
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Cassiterite var Wood Tin (2 pieces)
Cassiterite var Wood Tin (2 pieces)
$800
Goss Moor, England
The fibrous variety of Cassiterite termed ‘Wood Tin’ is one of those great classics of Cornish mineralogy and
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Cassiterite pseudomorph after Orthoclase
Cassiterite pseudomorph after Orthoclase
$600
Wheal Coates, England
Wheal Coates at St Agnes in Cornwall is world famous for two things: its magnificent cliff-top engine house
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Goethite with Quartz
Goethite with Quartz
$250
Restormel Royal Iron Mine, England
The Restormel Royal Iron mine in Cornwall, England, had produced some of the most beautiful Goethite specimens
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Hematite with Quartz and Calcite
Hematite with Quartz and Calcite
$300
Florence Mine, England
This fine miniature packs in many characteristics of the West Cumbrian orefield, nicely displaying specular
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Hematite var. Pencil Ore
Hematite var. Pencil Ore
$200
Furness Region, Cumbria
A striking cabinet specimen of superbly structured Pencil Ore, a variety of Hematite, from the Furness Region
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Linarite with Cerussite
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
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Chalcoalumite, Ajoite, Brochantite on Native Copper and Cuprite
Chalcoalumite, Ajoite, Brochantite on Native Copper and Cuprite
$100
New East Wheal Russell, England
A complexly mineralised miniature displaying Chalcoalumite (hydrous aluminium-copper sulphate), Ajoite
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