Rare Minerals

197 results

Xanthoconite
$500
 Trebsko, Czech Republic
Micro-crystals of the rare silver-arsenic sulphosalt Xanthoconite form tiny clusters of orange-red to
Franckeite with Zinkenite and Stannite
$2,500
 Itos Mine, Oruro Department
An outstanding specimen of superbly crystallised Franckeite with Zinkenite very richly encrusting a largely
Pyrite (elongated habit)
$400
  Pribram, Czech Republic
A rare and tremendous specimen of Pyrite with highly distorted crystal growth whereby one of the three
Stromeyerite on Calcite
$900
  Pribram, Czech Republic
Stromeyerite is a rare silver-copper sulphide, not often encountered either in ore deposits or mineral
Millerite with Calcite
$750
 St Andreasberg, Germany
A rare and relatively rich old-time specimen of Millerite on Calcite from the St. Andreasberg mining district
Galena var. Feather Galena
$350
 Bad Bleiberg, Carinthia
A fascinating and highly unusual specimen of Galena occurring in feathered - herring-bone dendritic arrays,
Chondrite Meteorite (Fell 30th January 1868)
$700
  Pultusk meteorite, Mazowieckie
A thumbnail sized, rounded, irregular Chondrite Meteorite, designated the Pultusk meteorite for where in fell
Acanthite with Nickeline
$1,500
 Měděnec, Bohemia
A rare specimen of Acanthite and Nickeline from the polymetallic orebody at Měděnec in the Krušné Hory
Cerussite
$500
 Wheal Rose, Cornwall
An extremely rare location specimen of well crystallised Cerussite on massive Galena from Wheal Rose at
Crednerite
$300
 Torr Works Quarry, England
Black platy crystals of the copper-manganese oxide, Crednerite, are intermixed with black sooty manganese
Chalcophyllite
$275
 Wheal Gorland, England
A fine small miniature of turquoise-green Chalcophyllite crystals lining two vugs in a grey and tan,
Azurite
$200
 Pikedaw-Grizedales Veins, North Yorkshire
A very rare specimen of Azurite from the Pikedaw-Grizedales Veins near Craven in North Yorkshire,
Breithauptite
$350
 St Andreasberg, Germany
A most interesting specimen of the rare and seldom seen nickel antimonide, Breithauptite, occurring as
Whewellite
$400
 Oberschlema, Saxony
Whewellite is an unusual mineral due to its carbon organic content and is a hydrated calcium oxalate. 
Argentopyrite
$1,250
 Niederschlema, Germany
Argentopyrite is a relatively rare mineral, being a silver-iron sulphide.  This specimen, from
Hematite ps. after Magnetite var. Martite
$600
 Payún volcano, Mendoza Province
A stunning and classic pseudomorph of Hematite after Magnetite from Payún volcano in Mendoza Province,
Rockbridgeite-Hentschelite var. Andrewsite
$400
 Phoenix United Mine, Cornwall
The classic Cornish mineral Andrewsite is actually a mixture of Rockbridgeite and Hentschelite with minor
Mendipite
$150
 Torr Works Quarry, England
A good representative specimen of the rare lead oxychloride Mendipite from Torr Works quarry at Cranmore,
Chalcophyllite
$450
 St Day United Mines, England
Platy hexagonal crystals of greenish-turquoise Chalcophyllite form rich druses within shallow vugs in a grey
Iron Meteorite (Gibeon, polished)
$3,000
 Gibeon, Hardap Region
A magnificent partly sawn and polished block from the Gibeon meteorite, weighing in at 2.96 kg; making this a
Charlesite
$3,500
 N'Chwaning Mines, South Africa
An impressive crystallised specimen of the extremely rare mineral Charlesite from the N'Chwaning mines at
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
Dyscrasite
$1,250
 Bouismas Mine (Bouismass mine), Drâa-Tafilalet Region
This miniature of the silver antimonide Dyscrasite, forms a coral-like array of branching thick stems of a
Cattierite with Siegenite
$150
 Shinkolobwe Mine, Katanga Copper Crescent
A rare specimen of Cattierite, a cobalt sulphide, from its type locality at Shinkolobwe mine, in the Katanga
Otavite on Malachite with Cerussite
$250
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Otavite is an extremely rare cadmium carbonate, first discovered at Tsumeb in 1906 in the outcrop and near
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
Mendipite with Chloroxiphite, Symesite and Diaboleite
$500
 Torr Works Quarry, England
A potpourri of rare mineralogical delights from the famous Torr Works quarry (aka Merehead quarry) at Cranmore
Paralaurionite with Diaboleite and Leadhillite
$5,000
 Collins vein, Arizona
A fantastic large miniature/small cabinet specimen of almost solid crystalline Paralaurionite and Diaboleite
Lillianite with Cosalite and Chalcopyrite
$2,000
 Baita mining district, Bihor County
A very fine specimen containing two rare lead-bismuth sulphosalts, Lillianite and Cosalite with brassy
Ludlamite with Quartz and Siderite
$8,500
 Wheal Jane, England
A specimen that can be summarised with just one word; Wow!  The rare phosphate Ludlamite was named in
Dyscrasite
$2,500
 Uranium Mine No. 21 (Shaft No. 21), Bohemia (Böhmen; Boehmen)
Dyscrasite is a rare silver antimonide and this is a truly magnificent example of the species.  From
Hessite with Quartz
$1,500
 Anna Mine, Alba Co.
A superb small miniature of equant lead-grey Hessite crystals form a piled-up cluster on top of a matrix of
Sylvanite
$1,250
 Sacarimb (Nagyag), Romania
Sylvanite, a gold-silver telluride, forms rich crystallised and granular ribbons and patches across the
Native Iridium / Osmium (alloy)
$1,500
 Urals Region, Russia
A glass phial containing two to three hundred loose granules of metallic lead-grey Native Iridium and Osmium
Native Tellurium
$900
 Fata Baii, Romania
A small cabinet specimen, rich in splendid micro-crystals of silvery tin-white Native Tellurium on a light
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
Native Silver pseudomorph after Pyrargyrite
$1,500
  Pribram, Czech Republic
A rare and unusual Native Silver pseudomorph after Pyrargyrite from the Příbram mining district in Central
Argyrodite
$3,500
 Himmelsfürst Mine, Germany
Argyrodite is an uncommon silver-germanium sulphide (Ag8GeS6) and this excellent specimen is from its type
Iron Meteorite (found 1853)
$4,000
 Tazewell meteorite, Tennessee
A sliced- sawn section of an Iron Meteorite with overall dimensions of 6.0 x 4.6 x 0.3 cm.  This is part
Nagyágite
$750
 Baia de Aries, Romania
Nagyágite is a rare and complex lead-antimony-gold-tellurium sulphide and forms large bright silver
Hessite
$7,500
 Anna Mine, Alba Co.
Hessite is a rare di-silver telluride (Ag2Te) and this specimen is from the Anna Mine at Botești in Alba
Betekhtinite
$500
 Dzhezkazgan Mining District, Kazakhstan
An excellent and very representative specimen of the rare mineral Betekhtinite, a copper-iron-lead sulphide,
Tellurantimony
$150
 Golden Mile Mines, Western Australia
Two micromount-size flakes of metallic silver Tellurantimony from the Golden Mile mines of Kalgoorlie-Boulder
Marshite
$3,500
 Broken Hill Proprietary Mine, New South Wales
The very rare mineral Marshite is one of the must-have Broken Hill classics but is seldom available and then
Calaverite
$450
 Kalgoorlie-Boulder Shire, Western Australia
A rich 1.2 x 0.7 cm patch of metallic buttery-silver Calaverite invests a small sliver of milky Quartz from
Kutnohorite
$800
 Broken Hill, Australia
Kutnohorite is another classic mineral from the Broken Hill suite and this very fine specimen is an excellent
Alabandite
$2,500
 Zinc Corporation Mine, Australia
A terrific specimen of the rare manganese sulphide Alabandite from the Zinc Corporation mine at Broken Hill,
Anglesite var. Green Anglesite
$2,000
 MMM Mine, Australia
One part-gemmy, brilliant equant limey-apple-green Anglesite crystal is perched at the edge / top of a dark