Oxides and Hydroxides

 

386 results

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
Chrysoberyl
$750
 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
$3,500
 Queensland, Australia
There is no denying when Boulder Opal is good, it is magnificent! Boulder Opal is a variety of Precious Opal
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
Cassiterite (vein section)
$300
 Illogan, England
This small cabinet specimen of Cassiterite, crystallised within a section of vein material, is labelled as
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
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
Anatase
$500
 Prenteg, Gwynedd
Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a
Goethite
$340
 Botallack Mine, England
A striking display of black, botryoidal Goethite with a sparkling drusy surface with a well-defined internal
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
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
Liroconite with Clinoclase
$2,500
 Wheal Gorland, England
Liroconite, a hydrated copper aluminium arsenate hydroxide, carries a kudos within Cornish collections that no
Libethenite
$600
 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
$300
 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
$100
 New East Wheal Russell, England
A complexly mineralised miniature displaying Chalcoalumite (hydrous Al-Cu sulphate), Ajoite (hydrated
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
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
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
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
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
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
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
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
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
Zincite
$9,500
 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
$500
 Payún Matrú volcano, Argentina
This is quite an amazing miniature specimen composed of aligned rows and columns of superbly crystallised
Cassiterite
$400
 Bejewans, England
Although I dearly love these specimens of Cassiterite from the famous deposit of the Bejewans Tin Stream Works
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
Adamite on Calcite
$750
 Lavrion, Attikí Prefecture
The zinc arsenate Adamite forms superb specimens in the Lavrion mining district of the Attica Peninsula in
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
Hematite
$700
 Hematite occurrence, Morocco
Many present-day collectors are familiar with the blue Baryte specimens being produced form this locality,
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
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
Manganite
$700
 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
$250
 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
$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
Botallackite
$1,500
 Cligga Mine, England
A weathered plate of mottled Cligga Head granite, its top surface richly coated with deep green-teal-blue
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
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
Hematite var. Specularite
$200
 Florence Mine, England
Specularite is the black, crystallised variety of Hematite and this is a great miniature specimen, ideal for
Mendipite
$200
 Torr Works Quarry, England
This small cabinet specimen is a fine example of the rare lead oxyhalide, Mendipite, named for the Mendip
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
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
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
Goethite on Smoky Quartz
$500
 Freisen, Germany
This excellent Smoky Quartz-lined geode, containing a 6 cm long infilling of superbly crystallised acicular
Hausmannite
$800
 Oehrenstock, Germany
This lovely small miniature of well crystallised Hausmannite is from its type locality at Oehrenstock in the
Pyrolusite
$700
 Gremmelsbach, Germany
Pyrolusite, a manganese dioxide species, is one of those minerals which commonly occurs as a minor coating or
Cuprite
$250
 Tsumeb Mine, Namibia
For a miniature specimen, this Cuprite has exceptionally fine quality crystals and is a splendid example from