Oxides and Hydroxides

 

396 results

Rutile
$500
 Graves Mountain, USA
Graves Mountain in Lincoln County, Georgia, USA, is probably the world’s most famous Rutile locality where it
Spinel
$1,500
 Franklin Mining District, New Jersey
Franklin mine in New Jersey needs no introduction and this fabulous Spinel crystal will make a great addition
Rutile
$1,750
 Hiddenite, USA
Hiddenite is about 4 km east of Taylorsville in Alexander County, North Carolina, USA and is one of those
Franklinite
$1,500
 Franklin, USA
A well-formed octahedral crystal of black Franklinite measuring to 1.3 cm with many smaller crystals embedded
Brucite
$500
 Woods Mine, Pennsylvania
The magnesium hydroxide Brucite forms a plate of well-developed crystals up to about 5 mm from Woods mine at
Quartz var. Herkimer Diamond
$300
 Herkimer Co., USA
Just one glance at this whopping single Herkimer Diamond crystal requires an accompanying Wow!!! What an
Smoky Quartz with Microcline var. Amazonite
$500
 Pikes Peak, Colorado
Blue-green Amazonite Feldspar with Smoky Quartz requires no introduction form its most famous of all
Rutile
$850
 Graves Mountain, USA
Mention Graves Mountain in Lincoln County, Georgia, USA to any mineral collector and they have just one
Cuprite with Native Copper
$300
 Bisbee, Arizona
An attractive 4 x 3 cm group of metallic burgundy-red Cuprite crystals up to about 6 mm in a matrix of earthy,
Cuprite
$5,000
 Tsumeb Mine, Namibia
This fabulous miniature of exquisitely crystallised Cuprite from the Tsumeb mine in Namibia occurs with small
Mottramite
$500
 Tsumeb Mine, Namibia
Mottramite is a lead vanadate hydroxide and at the Tsumeb mine in Namibia occurs in a bewildering variety of
Calcite with Pyrolusite
$400
 Tsumeb Mine, Namibia
Sharp, sugary-white Calcite forms an open cluster of rhombohedral crystals of varying size, ranging from just
Cuprite
$850
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A highly aesthetic thumbnail cluster of cuboctahedral Cuprite crystals, measuring to 1.2 cm of deep maroon red
Rutile
$900
 Kapudzhukh Mt, Nakhchivan Autonomous Republic
Two highly lustrous dark red-brown Rutile crystals measuring to 1.8 cm emerge from a mound of iron-stained
Manganite
$3,500
 Ilfeld, Germany
A superb specimen of classic Manganite from the Ilfeld in Thuringia Germany. Excellent metallic black
Hematite var. Specularite with Quartz
$1,200
 Florence Mine, England
Specularite, the black tabular crystalline variety of Hematite, is an iconic mineral from the iron mines of
Sphalerite with Quartz
$950
 Wheal Jane, England
This fine cabinet specimen is typical of the minerals which came out of Wheal Jane during its revived period
Cuprite var. Chalcotrichite
$600
 South Caradon Mine, England
A historic miniature of Chalcotrichite, the acicular variety of Cuprite, forming rich carmine-red felt-like
Brookite with Anatase
$750
 Prenteg, Gwynedd
The mention of Prenteg conjures thoughts of the three titanium dioxide polymorphs and this terrific miniature
Brookite with Albite
$300
 Twll Maen Grisial, UK
Simply the mention of Prenteg conjures thoughts of the three titanium dioxide polymorphs and this terrific
Cassiterite
$400
 St. Michael's Mount, England
A charming large thumbnail of lustrous black Cassiterite crystals with micro-crystals of brassy golden
Calcite with Hematite inclusions
$400
 Egremont, Cumbria
A hedgehog-shaped cluster of Hematite included Calcite crystals averaging around 1 cm tall with nail-head
Goethite on Quartz with Microcline
$300
 Lake George Area, USA
This is one of those one-off, quirky specimens which makes you smile simply because it is that bit different
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
Hematite ps. after Magnetite var. Martite
$600
 Payún volcano, Mendoza Province
A stunning and classic pseudomorph of Hematite after Magnetite from the Payún volcano in Mendoza Province,
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$2,500
 Tenke-Fungurume area, DR Congo
A super-unusual small cabinet specimen of vivid sky-blue Chrysocolla preferentially coated with orange-tan
Cassiterite on Quartz
$950
 Horní Slavkov (Schlaggenwald), Bohemia
Although only a large thumbnail, the Cassiterite attached to a single Quartz crystal forms an exquisite
Magnetite with Quartz
$3,500
 Lärchultini, Valais
The hillside locality at Lärchultini in Valais, Switzerland, contains a rich suite of minerals associated with
Cassiterite
$1,400
 Huber stock, Karlovy Vary Region
This fabulous example of a Cassiterite twinned crystal is from the interesting locality of Huber stock in
Hausmannite
$6,000
 N'Chwaning Mines, South Africa
Wow! This is one amazing Hausmannite from the famous N'Chwaning mines at Kuruman in the Kalahari Manganese
Cuprite with Cerussite and Mimetite
$850
 Tsumeb Mine, Namibia
This richly crystallised small cabinet specimen of Cuprite demonstrates just how rich the ore could be at
Cassiterite
$350
 Krásno, Bohemia
A large thumbnail/small miniature lustrous group of Cassiterite crystals from Krásno in the Karlovy Vary
Hematite
$200
 West Cumberland Iron Field, England
A beast of a specimen from the iron mines of west Cumbria, but a beautiful beast I hasten to add! Hematite of
Cuprite with Chrysocolla
$3,500
 Mashamba West Mine, Katanga Copper Crescent
A wonderful specimen of Cuprite crystals from the Mashamba West mine in the Democratic Republic of the Congo.
Corundum Var. Ruby with Dravite in Marble
$2,000
 Jegdalek Ruby Deposit, Afghanistan
A charming miniature composed of an aesthetic fuchsia-pink Ruby Corundum crystal perched on a small
Cerussite after Anglesite with Coronadite
$1,250
 Broken Hill Mine, Australia
A large cabinet specimen of sooty black Coronadite thickly coating crystals of Cerussite forming excellent
Goethite
$1,200
 Příbram, Czech Republic
A gorgeous large bed of velvety golden chocolate brown Goethite covering a naturally etched plate of milky
Ferberite
$450
 Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)
A mass of greyish-black Ferberite from Cínovec/Zinnwald, the ore field which spans the border between Germany
Valentinite
$450
 Březové Hory deposit, Bohemia
An excellent large miniature of snow-white bladed Valentinite crystals richly coating a matrix of Galena from
Cassiterite with Quartz and Zinnwaldite
$250
 St. Michael's Mount, England
Cassiterite from St. Michael's Mount at Marazion near Penzance is almost always distinctive as from this
Cassiterite with Quartz
$350
 Wheal Pendarves, England
On lifting this large miniature there is no doubting the lustrous black Cassiterite crystals cover a matrix of
Liroconite with Clinoclase
$250
 Wheal Gorland, England
A completely mixed small miniature of blue and green Liroconite, dark inky blue-green Clinoclase and platelets
Cassiterite with Quartz
$250
Cassiterite crystals to 5 mm wide richly cover the top surface of a heavily iron stained Quartz and Killas
Anatase with Albite and Quartz
$1,000
 Twll Maen Grisial, UK
A 3 mm clove brown Anatase crystal nestles in a small cleft next to colourless Quartz crystals and several
Sphalerite with Quartz
$500
 Wheal Jane, England
A terrific miniature of jet black lustrous Sphalerite crystals surrounding prominent acicular Quartz crystals
Calcite with Limonite inclusions
$400
 Gillfoot Park Mine, England
Gillfoot Park mine was a little to the northwest of the town of Egremont in West Cumbria, although as the town
Hematite
$250
 West Cumberland Iron Ore Field, England
A small miniature Hematite with a lovely botryoidal habit from the West Cumberland Iron Field in Cumbria,
Goethite with Quartz
$450
 Restormel Royal Iron Mines, England
A beautifully aesthetic specimen of botryoidal Goethite forming undulating mid to dark chocolate-brown mounds