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Oxides and Hydroxides

Oxides and Hydroxides

326 results

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Franklinite with Zinkenite, Willemite and Calcite

$250

Franklin Furnace, New Jersey

The Franklin-Stirling Hill orebody is one of the most diversely mineralised deposits on Earth containing over

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Quartz with Hematite inclusions

$5,000

Itremo massif, Fianarantsoa Province

This small museum size-specimen of superbly crystallised Quartz, blushed with salmon-pink Hematite inclusions,

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Azurite with Olivenite, Malachite and Arsentsumebite

$4,000

Tsumeb Mine, Namibia

This Tsumeb mine small miniature is the tastiest of mineralogical morsels, one I could readily eat, albeit for

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Goethite coating Cerussite after Anglesite

$850

MMM Mine, Australia

There is always something rather fascinating with sooty-black Goethite coating Cerussite after Anglesite,

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Tetrahedrite with Hübnerite

$2,500

Mundo Nuevo, Peru

A super-bright lustrous specimen of intergrown Tetrahedrite crystals measuring to over 2 cm with an almost

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Quartz with Hematite and Calcite

$900

Haile Moor Mine, England

A classic west Cumbrian specimen of well-developed Quartz crystals to 2 cm, substantially included by

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Hematite with Var. Specularite and Quartz

$300

Florence Mine, England

Large platy-blades of Specularite, a crystallised variety of Hematite, form a superb 2.8 x 2.0 x 1.5 cm

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Cassiterite var. Wood Tin

$550

Bojewan Placers, England

The variety of Cassiterite known as Wood Tin occurs at several localities throughout Cornwall, but the

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Cuprite with Malachite

$2,500

Onganja, Namibia

Onganja mine is a small rural operation on Helen Farm 235, some 90 km north west of the Namibia’s capital,

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Cuprite coated with Malachite

$700

Andrássy II. Mine, Borsod-Abaúj-Zemplén Co.

A well-formed cuboctahedral crystal of Cuprite measuring to 3.2 cm dominates this specimen, all of which is

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Malachite coating Cuprite (4 loose crystals)

$800

Chessy-les-Mines, Rhône-Alpes

A fascinating set of four loose crystals of Malachite coating Cuprite from the classic locality of

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Malachite with Cuprite

$500

30 Level, Oshikoto Region

This exceedingly attractive fibrous Malachite is from 30 Level at Tsumeb mine in Namibia: a depth of

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Calcite var. Cobaltoan with Kolwezite

$750

Mashamba West Mine, Katanga Copper Crescent

Translucent to gemmy, bright flamingo-pink scalenohedral crystals of Cobaltoan Calcite are richly intergrown

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Wulfenite with Goethite, Mottramite and Smithsonite

$2,500

Tsumeb Mine, Namibia

Yet again a fascinating specimen from the Tsumeb mine comes into our possession, the like of which I have

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Leadhillite

$4,000

Tsumeb Mine, Namibia

Carlton M. Davis was a well-known American collector who attended Yale and lived in Ohio; a collector whom

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Mottramite with Duftite

$2,000

Tsumeb Mine, Namibia

Like so many of the mineral species found throughout the Tsumeb ore body, Mottramite is yet another which

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Goethite on Cerussite

$100

Tsumeb Mine, Namibia

Call this an ugly brute if you choose, but like so many mineral specimens, the more you study it, the more it

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Cassiterite ps. after Orthoclase

$2,000

Wheal Coates, England

The old Wheal Coates engine house, set against the backdrop of the Atlantic Ocean, is an iconic image of

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Cuprite

$500

Liskeard, England

This rich specimen of Cuprite is from a mine in the vicinity of Liskeard in Cornwall and is accompanied with

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Calcite on Goethite included Quartz (2 pieces)

$200

19 Level Load Drive, Cornwall

Collectors of Cornish minerals will be more than familiar with the many forms of Calcite from the legendary

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Crednerite with Hydrocerussite and Malachite

$450

Vein 2, Somerset

Black blades of the copper-manganese oxide Crednerite are overgrown with velvety druses of sub-mm, light

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Hematite var. Pencil Ore

$350

Hodbarrow Mine, Cumbria

Hodbarrow mine was the most southerly in a group iron mines in West Cumbria, yet far south of the area

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Hematite

$7,500

Zillertal, Austria

Having just looked at this Hematite from the Zillertal valley in the North Tyrol state of Austria, I could not

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Magnetite with Rutile, Hematite, Adularia and Quartz

$6,000

Binn Valley, Switzerland

Magnificent, individual sharp octahedral Magnetite crystals are richly scattered across the surface of a

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Magnetite in Asbestos

$2,500

Totenkopf (Lower Riffl glacier), Salzburg

An amazing and superb, cuboctahedral Magnetite measuring 2.3 cm across sits partly embedded in a matrix of

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Hematite with Orthoclase var. Adularia

$250

St. Gotthard Massif, Ticino (Tessin)

A delightful small thumbnail Iron Rose Hematite from the St. Gotthard Massif in Switzerland, with an attached

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Cuprite

$300

Bisbee, Arizona

A rich small miniature of sub-mm, burgundy-red Cuprite forms a mixed crystalline and granular deep crust over

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Hematite

$900

Ouro Preto, Minas Gerais

A superb and delightful specimen of the variety of Hematite termed an Iron Rose, from the Ouro Preto mining

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Columbite

$950

Minas Gerais, Brazil

A magnificent 5.7 x 5.5 x 1.6 cm tabular crystal of Columbite, an ore of niobium, from the Minas Gerais mining

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Cuprite var. Chalcotrichite

$500

Ray Mine, Arizona

Rich velvet-like areas of crushed strawberry-red acicular Cuprite, variety Chalcotrichite, coat the top

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Corundum var. Sapphire

$2,500

Ratnapura, Sri Lanka

A completely gorgeous barrel-shaped, double terminated Corundum crystal of the blue variety Sapphire from

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Topaz on Zinnwaldite

$700

Volodarsk-Volynskii, Zhytomyr Oblast'

A classic specimen of smoky-blue and pink-champaign Topaz nestling amongst Zinnwaldite on a matrix of milky

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Corundum var. Sapphire

$175

Ratnapura, Sri Lanka

A super example of a characteristically developed hexagonal Corundum crystal with a broad barrel-like centre

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Cassiterite

$800

Cornwall, England

The top surface of a dense, iron-stained milky Quartz veinstone matrix is richly covered in large and lustrous

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Native Copper and Cuprite

$800

Wheal Gorland, England

The mere mention of Wheal Gorland sets the pulse racing amongst even the most seasoned collectors of Cornish

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Hematite with Quartz

$550

Florence Mine, England

A choice plate of magnificent black platy crystals of Specularite, the crystallised variety of Hematite, from

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Cassiterite

$150

St Agnes, Cornwall

The St. Agnes granite is a small offshoot of the Carnmenellis pluton and contained two major veins rich in tin

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Cuprite

$180

Phoenix United Mine, England

A super specimen of nicely crystallised octahedral Cuprite, richly distributed throughout a vuggy and porous

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Goethite

$250

Restormel Royal Iron Mine, England

A superbly crystallised Goethite specimen from the well known Restormel Royal Iron Mine at Lostwithiel near to

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Calcite with Pyrite

$2,500

Pribram, Czech Republic

This superb miniature Calcite from the Příbram Mining District in the Czech Republic, composed of multiple

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Rutile

$300

Pfitsch Pass, Austria

This ex-matrix Rutile crystal is from the Pfitsch Pass in North Tyrol, Austria and is a lovey example of a

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Cassiterite with Tourmaline

$350

Goonbarrow China Clay Pit, England

Access to the China Clay Pits (CCP) around the town of St. Austell in Cornwall is no longer possible, so

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Goethite

$650

Pribram, Czech Republic

A superb cabinet size Goethite from the Příbram Mining District in the Central Bohemian Region of the Czech

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Cassiterite and Fluorite on Quartz

$350

Krupka (Graupen), Bohemia

Wow! A delightful and quite different combination of lustrous black Cassiterite crystals alongside tiny,

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Cuprite with Native Silver

$1,500

Rubtsovskoe Cu-Zn-Pb deposit, Western Siberian Region

An amazing Russian Cuprite specimen with a massive Wow factor! Superb, sharp octahedral Cuprite crystals

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Manganite

$200

Ilfeld, Germany

Located at Ilfeld in the Harz Mountains of central Germany, this famous manganese deposit has produced some of

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Goethite

$500

Tsumeb Mine, Namibia

Goethite is a well-known common secondary mineral at Tsumeb, but rarely forms attractive specimens. This

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Cerussite with Malachite and Goethite

$600

Tsumeb Mine, Namibia

This delightful and highly lustrous Cerussite V-twin is from the second oxidation zone in the Tsumeb