Oxides and Hydroxides

 

327 results

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
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,
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
Goethite coating Cerussite after Anglesite
$850
 MMM Mine, Australia
There is always something rather fascinating with sooty-black Goethite coating Cerussite after Anglesite,
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
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
Hematite with Var. Specularite and Quartz
$250
 Florence Mine, England
As with many operational mines, the flow of superb specimens appeared never-ending from Florence mine near to
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
Cassiterite var. Wood Tin
$550
 Bojewan Placers, England
The variety of Cassiterite known as Wood Tin occurs at several localities throughout Cornwall, but the
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,
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
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
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
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
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
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
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
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
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
Cuprite
$500
 Liskeard, England
This rich specimen of Cuprite is from a mine in the vicinity of Liskeard in Cornwall and is accompanied with
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
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
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
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
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
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
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
Cuprite
$300
 Bisbee, Arizona
A rich small miniature of sub-mm, burgundy-red Cuprite forms a mixed crystalline and granular deep crust over
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
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
Cuprite var. Chalcotrichite
$500
 Ray Mine, Arizona
Rich velvet-like areas of crushed strawberry-red acicular Cuprite, variety Chalcotrichite, coat the top
Fluorite with Hematite
$700
 Frohnau, Saxony
This beautiful semi-oval plate of superbly crystallised Fluorite is from Frohnau near the town of
Corundum var. Sapphire
$2,500
 Ratnapura, Sri Lanka
A completely gorgeous barrel-shaped, double terminated Corundum crystal of the blue variety Sapphire from
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
Corundum var. Sapphire
$175
 Ratnapura, Sri Lanka
A super example of a characteristically developed hexagonal Corundum crystal with a broad barrel-like centre
Cassiterite
$800
 Cornwall, England
The top surface of a dense, iron-stained milky Quartz veinstone matrix is richly covered in large and lustrous
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
Hematite with Quartz
$550
 Florence Mine, England
A choice plate of magnificent black platy crystals of Specularite, the crystallised variety of Hematite, from
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
Cuprite
$180
 Phoenix United Mine, England
A super specimen of nicely crystallised octahedral Cuprite, richly distributed throughout a vuggy and porous
Goethite
$250
 Restormel Royal Iron Mine, England
A superbly crystallised Goethite specimen from the well known Restormel Royal Iron Mine at Lostwithiel near to
Calcite with Pyrite
$2,500
  Pribram, Czech Republic
This superb miniature Calcite from the Příbram Mining District in the Czech Republic, composed of multiple
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
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
Goethite
$650
  Pribram, Czech Republic
A superb cabinet size Goethite from the Příbram Mining District in the Central Bohemian Region of the Czech
Cassiterite and Fluorite on Quartz
$350
 Krupka (Graupen), Bohemia
Wow!  A delightful and quite different combination of lustrous black Cassiterite crystals alongside tiny,
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
Goethite
$500
 Tsumeb Mine, Namibia
Goethite is a well-known common secondary mineral at Tsumeb, but rarely forms attractive specimens.  This