Oxides and Hydroxides

 

142 results

Cuprite with Dolomite and Mimetite
$700
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A stunning and very rich specimen of Cuprite from the Tsumeb mine with crystals and platy crystalline areas
Cuprian Adamite
$5,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Large intergrown lustrous crystals, to about 7 mm across, of Cuprian Adamite, cover the surface of a
Cuprite included in Dolomite and Cerussite
$450
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A druse of lustrous Dolomite crystal displays extensive areas included by red Cuprite with scattered crystals
Franklinite with Calcite
$1,500
 Franklin, USA
Two well-formed octahedral black classic crystals of Franklinite measuring to 1.3cm with many more smaller
Zincite
$1,250
 Franklin, New Jersey
A large and somewhat rounded crystal of opaque red-brown Zincite measuring to 3.5cm partly enclosed
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
Anatase
$1,500
 Kharan District, Balochistan
Four excellent metallic black lustrous crystals of Anatase have great form, measuring to 9mm on a contrasting
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
Arsentsumebite ps. after Mimetite with Azurite, Gartrellite, Olivenite and Malachite ps. after Azurite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
As the list of species suggests, this is one very busy specimen from Tsumeb with lots going on! It is unusual
Calcite with Mottramite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
An elegant and aesthetic stacked group of three transparent rhombohedral Calcite crystals, intergrown and
Cuprite
$950
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A terrific Cuprite from Tsumeb with many dozens of bright lustrous claret-red crystals scattered over and
Calcite with Mottramite
$1,200
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Seldomly seen now, a tight cluster of gemmy nail head Calcite crystals shot through with dark olive-green
Mottramite with Dolomite
$1,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A curious, little finger-sized (and shaped) stalactite of highly lustrous pale lilac Dolomite speckled with
Adamite with Tsumcorite
$450
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
An interesting specimen of dark grey Quartz-rich matrix invested with various sulphides including Galena. On
Malachite with Cuprite on Dolomite
$2,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Strings of bright maroon Cuprite crystals of 2 to 4 mm and rosettes of deep emerald-green Malachite to 8 mm
Cuprite with Copper
$300
 Manto Cuba Mine, Chile
Deep maroon-red crystals of Cuprite measuring to 5mm are scattered over a crystalline Native Copper matrix
Hematite with Rutile
$2,250
 Cavradi Gorge, Switzerland
A choice specimen of a lustrous black well-formed group of bladed Hematite crystals measuring to a good
Hematite
$7,500
 Fibbia Mountain, Switzerland
A spectacular and beautiful group of highly lustrous, metallic black Hematite crystals composed of blades in
Cuprite
$1,200
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A fine intergrown crystal specimen of mostly octahedral Cuprite crystals measuring to 5mm. with crystalline
Cuprite variety Chalcotrichite
$1,200
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A rich small cabinet specimen of plush red intergrown acicular Cuprite in the classic variety Chalcotrichite
Cuprite
$850
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A neat thumbnail cluster display of cubo-octahedral  Cuprite crystals, measuring to 1.2cm, with a deep
Malachite
$150
A limonite-rich Quartz and Chalcopyrite veinstone has a central 3.0 x 1.5 cm vug richly lined with silky
Creedite
$3,500
 Navidad Mine, Mexico
This is an amazing example of Creedite, a calcium aluminium sulphate fluoro-hydroxide, occurring as a
Hübnerite
$250
A rich 7 cm long seam of reddish-bronze to clove-brown Hübnerite crystals with a bright metallic lustre
Corundum Var. “Ruby”
$950
 Froland, Norway
An opaque,  lustrous and intense cranberry-red hexagonal “Ruby” crystal partly embedded in a small block
Quartz with Hematite
$750
A gorgeous small cabinet specimen of double terminated “Smoky” Quartz on Hematite, the latter in the habits of
Goethite with Quartz
$300
A splendid small cabinet example of a Goethite-Quartz vein section from the Restormel Royal Iron Mine at
Cuprite
$600
A magnificent cubic Cuprite crystal measuring 8 x 8 x 7 mm nestled with other well formed but smaller crystals
Dolomite on Hematite
$250
 Egremont, Cumbria
An excellent specimen of botryoidal Hematite, variety “kidney ore” coated with finely crystallised Hematite of
Bismuthinite with Wood Tin, Chalcopyrite and Quartz
$7,500
A stunning museum quality specimen of long acicular needles of the bismuth sulphide Bismuthinite which spans
Cuprite
$750
Intergrown crystalline Cuprite crystals form a sponge-like porous specimen from Marke Valley mine close to
Cuprite Var. “Chalcotrichite”
$750
A charming “old time” specimen-rich in translucent, Burgundy-red Cuprite crystals and felt-like coatings of
Baryte on Hematite
$200
Blades of pure snow-white Baryte to 4.0 x 2.0 x 0.3 cm form an intergrown bed which covers an underlying
Cuprite Var. “Chalcotrichite”
$650
From a Victorian collection, this lovely example of the acicular habit of Cuprite, “Chalcotrichite”, is from
Cuprite
$300
Two lustrous metallic Cuprite crystals sit in a matrix of granular Cuprite and micro-crystalline Chrysocolla
Cassiterite
$1,600
 Viloco Mine, Bolivia
A superb specimen of excellent Cassiterite crystals with great lustre and a rich dark brown colour with a hint
Bixbyite
$900
 Thomas Range, Utah
Two excellent mirror bright jet-black cubic crystals of Bixbyite measuring to 6mm with corner and edge
Brookite with Quartz
$850
 Kharan District, Balochistan
A miniature displaying two superb Brookite crystals developed on and amongst a group of gemmy, colourless
Libethenite
$250
Two composite crystal groups of very dark, bottle-green Libethenite nestle in the centre of a shallow vug in a
Anatase with Quartz
$900
 Kharan District, Balochistan
A neat aesthetic specimen of a well-formed lustrous black Anatase crystal measuring to 1cm, pleasing position
Hematite
$850
 Ouro Preto, Brazil
A beautiful pair of hexagonal stacked crystals of Hematite form two rosettes slightly angled to one another,
Cassiterite
$250
 Wheal Kitty, England
Lustrous dark brown crystals of intergrown Cassiterite measuring to around 1cm with white Quartz crystals on a
Hematite
$1,250
 Rio Marina, Italy
A neat display of lustrous black and metallic grey intergrown crystals of Hematite from the classic iron
Cuprite
$1,900
 Wheal Druid, England
Well-developed very lustrous mostly octahedral crystals of Cuprite measuring to 4-5mm invest a white vein
Hübnerite with Quartz
$750
 Mundo Nuevo Mine, La Libertad Department
A very pleasing specimen of contrasting lustrous black prismatic crystals of Hübnerite measuring to
Hübnerite with Quartz
$850
 Pasto Bueno District, Peru
A neat aesthetic specimen of excellent broad-bladed metallic grey-black crystals of Hübnerite measuring
Cassiterite
$250
 Llallagua, Bolivia
A very rich specimen of Cassiterite from the sulphide and tin mining area of Llallagua, Bolivia. Fine
Cuprite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Mirror-bright silvery Cuprite crystals to about 3-4mm completely coat an elongated, hillocky and vuggy plate