Home
Gallery
Oxides and Hydroxides

Oxides and Hydroxides

202 results

Buy Now View Item

Cassiterite

$500

Horní Slavkov, Karlovy Vary Region

Classic lustrous black twinned crystal of Cassiterite measuring to 3.4 cm from Horní Slavkov, Czech

Buy Now View Item

Valentinite

$300

Porvenir mine, Oruro Department

Five specimens of well-formed crystals of Valentinite from the Porvenir MIne. Bolivia. Measurements are

Buy Now View Item

Columbite-(Fe) with Microlite

$7,500

Mawi pegmatite, Nuristan Province

A fine pegmatite specimen displaying a central area rich in bladed lustrous black Columbite-(Fe) intergrown

Buy Now View Item

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

Buy Now View Item

Cuprite

$750

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A very rich crystal specimen of Cuprite displaying intergrown crystals measuring to 1cm on a

Buy Now View Item

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

Buy Now View Item

Hematite with Rutile and Quartz

$850

Cavradi Gorge, Switzerland

A classic Alpine Cleft specimen from the Cavradi Gorge, Switzerland. Characteristic mirror bright

Buy Now View Item

Cuprite

$300

Phoenix United Mine, England

Abundant intergrown crystals of maroon coloured Cuprite measuring in the 1mm area on a typical

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Lepidolite with Quartz

$4,500

Minas Gerais, Brazil

Beautiful pink platy crystals of diamond-shaped Lepidolite in a stacked habit measuring to

Buy Now View Item

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

Buy Now View Item

Quartz with Hematite

$450

Cavradi Gorge, Grischun

A clear and almost colourless terminated Quartz crystal which at one side is embedded with a platy

Buy Now View Item

Rutile

$250

A well terminated metallic dark chocolate-brown crystal of Rutile measuring 2.0 x 1.7 x 1.2 cm which protrudes

Buy Now View Item

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

Buy Now View Item

Cuprite

$200

Wheal Gorland, England

A limonite stained Quartz veinstone is shot-through and very richly covered with lustrous octahedral crystals

Buy Now View Item

Cassiterite after Orthoclase

$600

Wheal Coates, England

A Cornish classic of dark brown granular Cassiterite completely replacing a Carlsbad twinned

Buy Now View Item

Cassiterite with Pyrite

$750

Levant Mine, England

A very rich specimen of densely intergrown crystals of brown Cassiterite crystals with Quartz overgrown by a

Buy Now View Item

Hematite with Quartz

$3,500

Beckermet Mine, England

A very fine specimen of classic Specular Hematite with gemmy well-developed Quartz crystals. Crystals of

Buy Now View Item

Cuprite

$4,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Very rich lustrous crystal specimen of deep maroon red Cuprite crystals densely intergrown, with individual

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Valentinite with Galena

$2,500

Pribram, Czech Republic

Pearly lustred white crystalline ribbons and scattered aggregates of intergrown broad tabular Valentinite, on

Buy Now View Item

Valentinite with Galena

$1,200

Pribram, Czech Republic

Translucent white to pale brown bladed-lath-like crystals of Valentinite measuring to 4mm are densely

Buy Now View Item

Senarmontite

$300

Djebel Haminate Mine, Algeria

A terrific thumbnail of the antimony oxide Senarmontite (Sb2O3) as a cluster of bipyramidal, light grey

Buy Now View Item

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

Buy Now View Item

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,

Buy Now View Item

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

Buy Now View Item

Franklinite with Calcite

$1,500

Franklin, USA

Two well-formed octahedral black classic crystals of Franklinite measuring to 1.3cm with many more smaller

Buy Now View Item

Zincite

$1,250

Franklin, New Jersey

A large and somewhat rounded crystal of opaque red-brown Zincite measuring to 3.5cm partly enclosed

Buy Now View Item

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

Buy Now View Item

Anatase

$1,500

Kharan District, Balochistan

Four excellent metallic black lustrous crystals of Anatase have great form, measuring to 9mm on a contrasting

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

Hematite

$7,500

Fibbia Mountain, Switzerland

A spectacular and beautiful group of highly lustrous, metallic black Hematite crystals composed of blades in

Buy Now View Item

Cuprite

$1,200

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A fine intergrown crystal specimen of mostly octahedral Cuprite crystals measuring to 5mm. with crystalline

Buy Now View Item

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

Buy Now View Item

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

Buy Now View Item

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