Oxides and Hydroxides


386 results

Cuprite variety Chalcotrichite
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A rich miniature red intergrown acicular Chalcotrichite, the acicular variety of Cuprite.  Micro-felty
 Ambatondrazaka District, Toamasina Province (Tamatave)
A beautiful acidic apple-green, chevroned-array of Chrysoberyl crystals forming a flat platy specimen from the
Opal var. Boulder Opal
 Queensland, Australia
There is no denying when Boulder Opal is good, it is magnificent! Boulder Opal is a variety of Precious Opal
 Ilfeld, Germany
Manganite from the deposit at Ilfeld in the south-eastern Harz mountains of Germany is one of Western Europe’s
Cassiterite (vein section)
 Illogan, England
This small cabinet specimen of Cassiterite, crystallised within a section of vein material, is labelled as
Quartz variety Eisenkiesel on Hematite
 Florence Mine, England
An 8.8 x 5.0 cm plate of sooty coloured Hematite richly covered with equant bipyramidal Quartz crystals makes
Anatase with Quartz, Albite and Calcite
 Prenteg, Wales
Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a
 Prenteg, Gwynedd
Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a
 Botallack Mine, England
A striking display of black, botryoidal Goethite with a sparkling drusy surface with a well-defined internal
Goethite on Smithsonite
 Tsumeb Mine, Namibia
Bright black botryoidal druses of lustrous Goethite coat hidden Smithsonite crystals to 1.4 cm sitting on a
 Rauris Valley, Austria
A fine cabinet specimen of red to dark maroon Rutile crystals which range from micro to 6 mm, with many
Liroconite with Clinoclase
 Wheal Gorland, England
Liroconite, a hydrated copper aluminium arsenate hydroxide, carries a kudos within Cornish collections that no
 Wheal Phoenix, England
The copper phosphate Libethenite is a well known species from the mining complex at Wheal Phoenix close to the
Hematite var. Kidney Ore
 Goose Green Mine, Cumbria
A delightful mamillary mound of Kidney Ore, the botryoidal variety of Hematite.  The Hematite forms an
Chalcoalumite, Ajoite and Brochantite on Native Copper and Cuprite
 New East Wheal Russell, England
A complexly mineralised miniature displaying Chalcoalumite (hydrous Al-Cu sulphate), Ajoite (hydrated
Calcite and Hematite
 Egremont, England
An aesthetic domed specimen of 3 to 5 mm nail-head Calcite crystals from the Egremont iron mining district in
Schneiderhöhnite with Quartz and Tennantite
 Tsumeb Mine, Namibia
This small miniature of the very rare iron arsenate Schneiderhöhnite in a matrix of mixed Tennantite and
 Wessels Mine, South Africa
A bright metallic steely blue grey crystal of Hematite measuring to 3.7 cm, displaying a pyramidal form
Native Copper with Cuprite
 Wheal Unity, England
A rich, crudely crystallised vuggy and porous mass of Native Copper is richly pervaded with octahedral Cuprite
Cuprite with Native Copper
 Nizhnetagilskii Massif, Russia
This compact and chunky miniature of a vuggy yet solid mass of Native Copper is pervaded with splendid
Fluorite with Hematite, Siderite and Chalcopyrite
 Carn Brea Mine, England
Carn Brea is a prominent elongated ridge of granite adjacent to the A30 road and railway line between Camborne
Quartz with Hematite var. Eisenkiesel
 Frizington, Cumbria
The mineralogy of the west Cumbrian iron mines tends to be simple, yet the specimens produced represent some
Cerussite ps. after Anglesite with Coronadite
 Broken Hill, Australia
This large cabinet size Cerussite pseudomorphing after Anglesite and coated with Coronadite is a Broken Hill
Pyromorphite on Coronadite
 MMM Mine, Australia
The famous MMM mine at Broken Hill in Australia worked the line of lode orebody and is situated within the
 Franklin Mine, USA
The Franklin mines in Sussex County, New Jersey, exploited one of the most complex orebodies on Earth, famed
Hematite ps. after Magnetite var. Martite
 Payún Matrú volcano, Argentina
This is quite an amazing miniature specimen composed of aligned rows and columns of superbly crystallised
 Bejewans, England
Although I dearly love these specimens of Cassiterite from the famous deposit of the Bejewans Tin Stream Works
Scheelite on Zinnwaldite
 Cínovec / Zinnwald, Saxony & Ústí Region
An excellent miniature displaying a dense cluster of sharply formed Scheelite crystals set in a matrix of
Adamite on Calcite
 Lavrion, Attikí Prefecture
The zinc arsenate Adamite forms superb specimens in the Lavrion mining district of the Attica Peninsula in
 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
 Hematite occurrence, Morocco
Many present-day collectors are familiar with the blue Baryte specimens being produced form this locality,
Rutile var. Sagenite
 Pfitsch Pass, Austria
The Zillertal Valley is situated in spectacular mountain scenery in the Tyrol state of Austria and is host to
Bindheimite and Malachite ps. after Bournonite
 Hüttenberg, Carinthia
Bindheimite is a hydrous lead antimony oxide produced from the alteration of other ores and is a species still
 Ilfeld, Germany
Some of the best specimens of Manganite in the world have come from Ilfeld in the Harz Mountains of central
Hematite with Rutile
 Cavradi Gorge, Grischun
Two tiny root beer-brown, terminated Rutile crystals sit flat against a 2 cm tall metallic black Hematite
Hematite var. Kidney Ore
 Cleator Moor Iron Mine, Cumbria
The village of Cleator Moor lies halfway between the west Cumbrian towns of Frizington and Egremont and had
 Cligga Mine, England
A weathered plate of mottled Cligga Head granite, its top surface richly coated with deep green-teal-blue
Hematite var. Specularite
 Florence Mine, England
Arguably, the most iconic mineral from the West Cumbrian iron ore field is that of Specularite or Specular
Hematite var. Kidney Ore
 Florence Mine, England
The botryoidal variety of Hematite known as Kidney Ore was found throughout Florence mine, just east of the
Hematite var. Specularite
 Florence Mine, England
Specularite is the black, crystallised variety of Hematite and this is a great miniature specimen, ideal for
 Torr Works Quarry, England
This small cabinet specimen is a fine example of the rare lead oxyhalide, Mendipite, named for the Mendip
 West Cumberland Iron Ore Field, England
“What a whopper” comes to mind lifting this good-size cabinet specimen of botryoidal Hematite, of the variety
 Dolcoath Mine, England
Dolcoath was known as the Queen of Cornish Mines because of its size and wealth, being one of the largest
Corundum var. Ruby
 Froland, Norway
A splendid example of Ruby Corundum on matrix from the Froland region in the county of Agder in southern
Goethite on Smoky Quartz
 Freisen, Germany
This excellent Smoky Quartz-lined geode, containing a 6 cm long infilling of superbly crystallised acicular
 Oehrenstock, Germany
This lovely small miniature of well crystallised Hausmannite is from its type locality at Oehrenstock in the
 Gremmelsbach, Germany
Pyrolusite, a manganese dioxide species, is one of those minerals which commonly occurs as a minor coating or
 Tsumeb Mine, Namibia
For a miniature specimen, this Cuprite has exceptionally fine quality crystals and is a splendid example from