Rare Minerals

274 results

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,
Sylvanite
$1,200
 Săcărâmb, Hunedoara
I can only say whoever cracked open this specimen must have had a wonderful surprise! The back of this thin
Fluor-Buergerite
$1,250
 Mexquitic, San Luis Potosí
Fluor-Buergerite, formerly known as Buergerite, is a rare member of the Tourmaline Group and this first class
Tapiolite
$850
 Baixão da Laje mine, Rio Grande do Norte
An extremely rare example of crystallised Tapiolite from the Baixão da Laje mine in Grande do Norte, Brazil.
Cavansite
$100
 Wagholi Quarries, Maharashtra
A beautiful rosette of the rare calcium-vanadium silicate Cavansite measuring 1.5 x 1.0 x 0.5 cm, perched on a
Olivenite with Gartrellite
$1,400
 Tsumeb Mine, Namibia
An eye-catching and fabulous small miniature Olivenite with Gartrellite from the Tsumeb mine in the Otjikoto
Schaurteite
$3,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Schaurteite, a calcium-germanium sulphate, is a very rare species from its type locality at Tsumeb and
Schaurteite
$3,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Schaurteite is one of the Tsumeb mine's sought after rare Gemanium species. On this specimen Schaurteite is
Leiteite
$600
 Tsumeb Mine, Namibia
A nice solid and blocky example of the rare zinc arsenite Leiteite from its type locality at the Tsumeb mine
Arsentsumebite
$450
 Tsumeb Mine, Namibia
This Arsentsumebite from Tsumeb mine in Namibia may be more a large micromount than a thumbnail, but defiantly
Krennerite
$2,000
 Sacarimb (Nagyag), Romania
Krennerite is a rare gold-silver telluride, similar to the gold telluride Calaverite. This cabinet specimen
Nagyágite
$3,000
 Sacarimb (Nagyag), Romania
Nagyágite is a rare lead-gold-tellurium-antimony sulphosalt often containing other metallic elements and forms
Acanthite with Stephanite
$850
 Johanngeorgenstadt, Germany
Intermixed Acanthite with Stephanite form a rich silver-black metallic crystalline group of part octahedral
Gratonite
$2,500
 Rio Tinto Mine, Andalusia
This specimen provides a great opportunity to acquire an exceptionally rare species from a world-famous yet
Valentinite
$450
 Březové Hory deposit, Bohemia
An excellent large miniature of snow-white bladed Valentinite crystals richly coating a matrix of Galena from
Nagyágite
$800
 Sacarimb (Nagyag), Romania
Nagyágite is a rare lead-gold-tellurium-antimony sulphosalt often containing other metallic elements and forms
Dyscrasite
$650
 St Andreasberg, Germany
A lovely miniature of the silver antimonide Dyscrasite from the St. Andreasberg district in Lower Saxony,
Betekhtinite
$800
 Dzhezkazgan Mining District, Kazakhstan
Betekhtinite is a rare copper-iron-lead sulphide. This excellent ex-matrix, large thumbnail, is a mass of
Liroconite
$6,500
 Wheal Gorland, England
A very fine and rich specimen of Liroconite from Wheal Gorland, St. Day, Cornwall. Excellent blue to slightly
Cassiterite
$3,500
 Santa María del Oro, Mexico
There are many collectors who specialise in Cassiterite, a tin oxide, and if you are one looking for something
Fluor-Buergerite
$2,500
 Mexquitic, San Luis Potosí
Fluor-Buergerite is a rare species within the Tourmaline Group and this excellent small cabinet specimen is
Freieslebenite
$1,500
 Hiendelaencina, Spain
A rich miniature of the rare silver-lead sulphosalt Freieslebenite from Hiendelaencina in the Province
Zincolivenite with Schultenite
$1,250
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
The rare mineral Schultenite forms white to colourless cleavages measuring to 9 mm towards one end of bright
Chondrite Meteorite (Fell 30th January 1868)
$700
  Pultusk meteorite, Mazowieckie
A thumbnail sized, rounded, irregular Chondrite Meteorite, designated the Pultusk meteorite for where it fell
Ludlamite with Siderite and Quartz
$7,500
 Wheal Jane, England
If any specimen’s description has to begin with a great big massive Wow, then this is it!  A Ludlamite
Liroconite
$800
 Wheal Gorland, England
A granular, large thumbnail matrix of iron-stained milky Quartz is richly coated with intergrown blades of
Connellite with Chalcophyllite
$750
 Wheal Gorland, England
The halide Connellite is a hydrous copper chloro-sulphate and is a rare mineral within Cornwall’s richly
Sylvanite
$6,500
 Cripple Creek, USA
Sylvanite is a rare gold-silver telluride named in 1835 for the region of Romania from where it was first
Wherryite with Diaboleite
$900
 Mammoth-St. Anthony Mine, USA
A superbly-rich miniature of the lead-copper sulphosilicate Wherryite and lead-copper halide Diaboleite from
Pargasite in Marble
$5,500
 Sungate Mine, Vietnam
Pargasite is a rare sodium-calcium-magnesium-aluminium silicate and in this show-stopping large cabinet
Native Iridium-osmium
$3,500
 Urals Region, Russia
A rare old red wax-sealed glass miniature bottle filled with metallic silver-grey grains of Native
Tsumcorite
$2,500
 Tsumeb Mine, Namibia
Tsumcorite is a rare lead arsenate and is named for the Tsumeb Corporation who operated this world famous
Quartz (Japan Law Twin)
$4,000
 Kurasawa mine (Otome mine), Yamanashi
Surely this small cabinet specimen ticks all the boxes with being an excellent example of a Japan Law twin
Stolzite
$1,500
 Broken Hill Proprietary Mine, New South Wales
The lead tungstate, Stolzite, forms a solid solution series with wulfenite, a lead molybdate and is one of the
Henmilite on Olshanskyite
$1,700
 Fuka Mine, Japan
Equant azure to deep inky-blue crystals of the calcium-copper borate Henmilite are scattered over the surface
Calcite var. Cuprian (aka Cuprocalcite)
$6,000
 Tsumeb Mine, Namibia
Cuprian Calcite, also known as Cuprocalcite, is a copper-rich variety of Calcite with a lesser well-known
Azurite with Arsentsumebite
$3,500
 Tsumeb Mine, Namibia
I hesitate to use the word showstopper, but in the case of this miniature Azurite with Arsentsumebite, I feel
$800
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Excellent micro-crystals of bladed Tsumcorite are abundantly intergrown atop this thumbnail specimen from the
Phosgenite
$7,500
 Monteponi Mine, Sardinia
The lead-zinc Monteponi mine in the municipality of Iglesias is in the south west of the island of Sardinia,
Amber with included Insect
$200
 Baltic Sea, Europe
Water-worn Amber pebbles containing included insects are always fascinating even if, like me, you know very
Quartz var. Eisenkiesel and Amethyst
$600
 Heißer Stein Mine, Germany
Amethyst from Heißer Stein mine in the Wölsendorf Fluorite Mining District of Germany is very uncommon and the
Liroconite with Clinoclase
$2,500
 Wheal Gorland, England
Liroconite, a hydrated copper aluminium arsenate hydroxide, carries a kudos within Cornish collections that no
Chalcoalumite, Ajoite and Brochantite on Native Copper and Cuprite
$100
 New East Wheal Russell, England
A complexly mineralised miniature displaying Chalcoalumite (hydrous Al-Cu sulphate), Ajoite (hydrated
Schneiderhöhnite with Quartz and Tennantite
$2,500
 Tsumeb Mine, Namibia
This small miniature of the very rare iron arsenate Schneiderhöhnite in a matrix of mixed Tennantite and
Fahleite (Mineral GS1)
$500
 Tsumeb Mine, Namibia
The unnamed ‘Mineral GS1’ has long been an enigmatic species from the Tsumeb mine in Namibia, looking more
Wendwilsonite and Roselite on Cobaltoan Calcite
$350
 Aghbar Mine, Morocco
Wendwilsonite, a rare calcium-magnesium-cobalt arsenate occurs as excellent broad bladed crystals to about 5
Native Silver with Sternbergite
$500
 Eliáš Mine, Czech Republic
This miniature, rich in Native Silver and the silver-iron sulphide Sternbergite, is a rare combination of
Dyscrasite on Native Arsenic
$1,200
 Uranium Mine No. 21, Central Bohemia Region
This is a quite remarkable miniature of wonderfully crystallised Dyscrasite on sooty dark grey Native Arsenic