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Oxides and Hydroxides

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Cuprite on Dolomite

$1,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A lustrous maroon red crystal of Cuprite measuring to 9 mm sits on a matrix of creamy Dolomite crystals from

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Cuprite

$600

Tsumeb Mine, Namibia

A super-rich miniature of crystallised Cuprite covering the top surface of a Goethite-Limonite gossan from

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Limonite pseudomorph after Pyrite

$500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A matrix-free pseudomorph of Limonite after cubic Pyrite crystals. The larger crystal measures 3.2 x 2.7

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Paradamite

$1,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A choice, large thumbnail specimen of the zinc arsenate hydroxide Paradamite, a very rare species from the

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Cuprite coated with Malachite

$700

Andrássy II. Mine, Borsod-Abaúj-Zemplén Co.

A well-formed cuboctahedral crystal of Cuprite measuring to 3.2 cm dominates this small cabinet specimen, all

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Andrewsite (Hentschelite-Rockbridgeite-Chalcosiderite) with Goethite

$1,200

Wheal Phoenix, England

Although we still refer to this mineral as Andrewsite, it was discredited in 1990, being a mixture of

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Quartz with Hematite and Calcite

$900

Haile Moor Mine, England

A classic west Cumbrian specimen of well-developed Quartz crystals to 2 cm, substantially included by

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Liroconite

$800

Wheal Gorland, England

A granular, large thumbnail matrix of iron-stained milky Quartz is richly coated with intergrown blades of

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Brookite with Albite

$250

Twll Maen Grisial, UK

The area around Prenteg in North Wales is famous for its titanium dioxide polymorphs, Anatase, Brookite and

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Cassiterite

$350

South Crofty Mine, England

A rich Cassiterite from South Crofty mine at Pool, about mid-way on the A30 between Camborne and

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Rutile (twin)

$1,750

Graves Mountain, USA

Mention Graves Mountain and just one mineral comes to mind, Rutile. Situated in Lincoln County, Georgia,

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Zincite with Franklinite and Calcite

$1,400

Franklin, USA

Rounded crystals of dark cherry red-brown Zincite protrude from a creamy Calcite matrix pervaded with metallic

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Cuprite

$300

Bisbee, Arizona

A rich miniature of sub-mm, burgundy-red Cuprite forms a mixed crystalline and granular deep crust over a

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Cuprite with Native Copper

$300

Bisbee, Arizona

An attractive 4 x 3 cm group of metallic burgundy-red Cuprite crystals to about 6 mm in a matrix of earthy

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Bixbyite

$900

Thomas Range, Utah

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

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Cuprite variety Chalcotrichite

$1,200

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A rich miniature red intergrown acicular Chalcotrichite, the acicular variety of Cuprite. Micro-felty

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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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Opal var. Boulder Opal

$3,500

Queensland, Australia

There is no denying when Boulder Opal is good, it is magnificent! Boulder Opal is a variety of Precious Opal

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Manganite

$8,000

Ilfeld, Germany

Manganite from the deposit at Ilfeld in the south-eastern Harz mountains of Germany is one of Western Europe’s

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Cassiterite (vein section)

$300

Illogan, England

This small cabinet specimen of Cassiterite, crystallised within a section of vein material, is labelled as

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Quartz variety Eisenkiesel on Hematite

$350

Florence Mine, England

An 8.8 x 5.0 cm plate of sooty coloured Hematite richly covered with equant bipyramidal Quartz crystals makes

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Anatase with Quartz, Albite and Calcite

$1,200

Prenteg, Wales

Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a

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Anatase

$500

Prenteg, Gwynedd

Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a

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Goethite

$340

Botallack Mine, England

A striking display of black, botryoidal Goethite with a sparkling drusy surface with a well-defined internal

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Schneiderhöhni-te

Schneiderhöhnite

$1,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A well-formed tightly clustered group Schneiderhöhnite crystals with excellent terminations of a lustrous

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Goethite on Smithsonite

$850

Tsumeb Mine, Namibia

Bright black botryoidal druses of lustrous Goethite coat hidden Smithsonite crystals to 1.4 cm sitting on a

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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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Liroconite with Clinoclase

$2,500

Wheal Gorland, England

Liroconite, a hydrated copper aluminium arsenate hydroxide, carries a kudos within Cornish collections that no

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Libethenite

$600

Wheal Phoenix, England

The copper phosphate Libethenite is a well known species from the mining complex at Wheal Phoenix close to the

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Hematite var. Kidney Ore

$300

Goose Green Mine, Cumbria

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

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Chalcoalumite, Ajoite and Brochantite on Native Copper and Cuprite

$100

New East Wheal Russell, England

A complexly mineralised miniature displaying Chalcoalumite (hydrous Al-Cu sulphate), Ajoite (hydrated

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Calcite and Hematite

$200

Egremont, England

An aesthetic domed specimen of 3 to 5 mm nail-head Calcite crystals from the Egremont iron mining district in

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Hausmannite

$6,000

N'Chwaning Mines, South Africa

Wow! This is one beast of a Hausmannite, a beautiful beast I hasten to add! From the famous

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Schneiderhöhnite with Quartz and Tennantite

$2,500

Tsumeb Mine, Namibia

This small miniature of the very rare iron arsenate Schneiderhöhnite in a matrix of mixed Tennantite and

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Hematite

$1,000

Wessels Mine, South Africa

A bright metallic steely blue grey crystal of Hematite measuring to 3.7 cm, displaying a pyramidal form

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Native Copper with Cuprite

$550

Wheal Unity, England

A rich, crudely crystallised vuggy and porous mass of Native Copper is richly pervaded with octahedral Cuprite

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Cuprite with Native Copper

$500

Nizhnetagilskii Massif, Russia

This compact and chunky miniature of a vuggy yet solid mass of Native Copper is pervaded with splendid

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Fluorite with Hematite, Siderite and Chalcopyrite

$1,000

Carn Brea Mine, England

Carn Brea is a prominent elongated ridge of granite adjacent to the A30 road and railway line between Camborne

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Quartz with Hematite var. Eisenkiesel

$2,500

Frizington, Cumbria

The mineralogy of the west Cumbrian iron mines tends to be simple, yet the specimens produced represent some

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Cerussite ps. after Anglesite with Coronadite

$950

Broken Hill, Australia

This large cabinet size Cerussite pseudomorphing after Anglesite and coated with Coronadite is a Broken Hill

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Pyromorphite on Coronadite

$800

MMM Mine, Australia

The famous MMM mine at Broken Hill in Australia worked the line of lode orebody and is situated within the

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Zincite

$9,500

Franklin Mine, USA

The Franklin mines in Sussex County, New Jersey, exploited one of the most complex orebodies on Earth, famed

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Hematite ps. after Magnetite var. Martite

$500

Payún Matrú volcano, Argentina

This is quite an amazing miniature specimen composed of aligned rows and columns of superbly crystallised

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Cassiterite

$400

Bejewans, England

Although I dearly love these specimens of Cassiterite from the famous deposit of the Bejewans Tin Stream Works

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Scheelite on Zinnwaldite

$450

Cínovec / Zinnwald, Saxony & Ústí Region

An excellent miniature displaying a dense cluster of sharply formed Scheelite crystals set in a matrix of

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Adamite on Calcite

$750

Lavrion, Attikí Prefecture

The zinc arsenate Adamite forms superb specimens in the Lavrion mining district of the Attica Peninsula in

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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,