Oxides and Hydroxides

 

241 results

Azurite with Malachite pseudomorph after Azurite
$8,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A spectacular and beautiful small cabinet specimen of glassy and gemmy deep blue Azurite crystals, silky
Cuprite
$750
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A very rich crystal specimen of Cuprite displaying intergrown crystals measuring to 1cm on a
Szenicsite with Powellite and Molybdenite
$7,500
 Jardinera No 1 Mine, Chile
A rare and spectacular specimen of the extremely rare mineral Szenicsite with Molybdenite and copper-bearing
Hematite with Rutile and Quartz
$850
 Cavradi Gorge, Switzerland
A classic Alpine Cleft specimen from the Cavradi Gorge, Switzerland. Characteristic mirror bright
Cuprite
$300
 Phoenix United Mine, England
Abundant intergrown crystals of maroon coloured Cuprite measuring in the 1mm area on a typical
Cuprite with Native Copper
$500
 Camborne-Redruth, England
A rich crystal specimen of sparkling intergrown octahedra of Cuprite measuring around 4-5mm with areas of
Cuprite with Dolomite
$6,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Well-formed clusters and single crystals of deep maroon red Cuprite are finely contrasted on the
Cuprite
$3,200
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Well-developed lustrous complex crystals of Cuprite measuring to 1cm have formed in cavities on a
Cuprite with Chrysocolla
$3,500
 Mashamba West Mine, Katanga Copper Crescent
 A classic specimen of Cuprite crystals from the Mashamba West Mine, Dem Rep of Congo. Crystals of
Lepidolite with Quartz
$4,500
 Minas Gerais, Brazil
Beautiful pink platy crystals of diamond-shaped Lepidolite in a stacked habit measuring to
Corundum Var. Ruby with Dravite in Marble
$2,000
 Jegdalek Ruby Deposit, Afghanistan
A charming miniature composed of an aesthetic fuschia-pink Corundum crystal, variety Ruby, perched on a small
Quartz with Hematite
$450
 Cavradi Gorge, Grischun
A clear and almost colourless terminated Quartz crystal which at one side is embedded with a platy
Rutile
$250
A well terminated metallic dark chocolate-brown crystal of Rutile measuring 2.0 x 1.7 x 1.2 cm which protrudes
Quartz with Dolomite on Hematite
$1,250
 Florence Mine, England
Although the famous Florence mine close to Egremont in west Cumbria produced less than ten different mineral
Cuprite
$200
 Wheal Gorland, England
A limonite stained Quartz veinstone is shot-through and very richly covered with lustrous octahedral crystals
Cassiterite with Pyrite
$750
 Levant Mine, England
A very rich specimen of densely intergrown crystals of brown Cassiterite crystals with Quartz overgrown by a
Hematite with Quartz
$3,500
 Beckermet Mine, England
A very fine specimen of classic Specular Hematite with gemmy well-developed Quartz crystals. Crystals of
Cuprite
$4,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Very rich lustrous crystal specimen of deep maroon red Cuprite crystals densely intergrown, with individual
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
Cassiterite
$3,000
 Horni Slavkov (Schlaggenwald), Czech Republic
A large well-formed twinned crystal of Cassiterite measuring overall to nearly 5cm displays a lustrous black
Valentinite with Galena
$2,500
  Pribram, Czech Republic
Pearly lustred white crystalline ribbons and scattered aggregates of intergrown broad tabular Valentinite, on
Valentinite with Galena
$1,200
  Pribram, Czech Republic
Translucent white to pale brown bladed-lath-like crystals of Valentinite measuring to 4mm are densely
Senarmontite
$300
 Djebel Haminate Mine, Algeria
A terrific thumbnail of the antimony oxide Senarmontite (Sb2O3) as a cluster of bipyramidal, light grey
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
Zincolivenite
$5,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Large intergrown lustrous crystals, to about 7 mm across, of Zincolivenite, cover the surface of a brick-red,
Leiteite
$1,800
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A rare specimen of Leiteite from the Tsumeb Mine type locality. A characteristic cleavage specimen of pearly
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
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
 Friedensgrube, Bavaria
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
 Cleator Moor Iron Mine, Cumbria
A gorgeous small cabinet specimen of double terminated “Smoky” Quartz on Hematite, the latter in the habits of
Goethite with Quartz
$300
 Restormel Royal Iron Mine, England
A splendid small cabinet example of a Goethite-Quartz vein section from the Restormel Royal Iron Mine at