Rare Minerals

159 results

Mereheadite
$150
 Torr Works Quarry, England
Mereheadite is a rare lead oxychloride incorporating barium and this specimen is from its type locality at
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
Marshite with Cerussite and Malachite
$7,500
 Broken Hill, Australia
A sublime Marshite specimen, one of the essential Broken Hill classics, but very rarely obtainable with such a
Bannisterite
$2,500
 Zinc Corporation Mine, Australia
Bannisterite is a black mica-like mineral and a rare phyllosilicate.  A 5.0 x 3.0+ cm area of platy
Stolzite
$3,500
 Sainte-Lucie Mine, Occitanie
Although Stolzite is a relatively rare mineral it is well known from a number of famous localities worldwide,
Cryolite
$3,500
 Ivigtut Cryolite Deposit, Greenland
A superb, good-sized cabinet specimen of the sodium hexafluoroaluminate mineral Cryolite, from perhaps its
Miargyrite
$8,500
 Neue Hoffnung Gottes Mine, Germany
Crystals of the rare silver-antimony sulphide Miargyrite are developed in this very fine specimen up to 7 mm
Mellite
$950
 Artern, Thuringia
An excellent deep golden-honey to deep butterscotch skewed octagonal crystal of Mellite from Artern in the
Plagionite on Galena
$4,000
 Pfannenberger Einigkeit Mine, North Rhine-Westphalia
Grey-black metallic globular clusters of the very rare mineral Plagionite are richly distributed over a
Mellite
$300
 Artern, Thuringia
Mellite is an very unusual organic compound, an aluminium benzene hexacarboxylate hydrate.  This deep
Whewellite
$900
 Schacht 38 Mine, Germany
Whewellite is a relatively rare organic mineral, a hydrated calcium oxalate.  This is a near-perfect,
Siegenite
$450
 Stahlberg Mine (Schwabengrube), Germany
Excellent crystals of dark steel-blue Siegenite with an attractive iridescence from its type locality at
Harmotome
$450
 St Andreasberg, Germany
A large plate of Quartz-rich matrix is covered on both faces with glassy, translucent milky-white Harmotome
Connellite with Malachite and Chalcophyllite
$2,500
 Wheal Unity, Cornwall
An absolutely superb specimen of the hydrous copper chloro-sulphate Connellite from the enigmatic Wheal Unity
Nasonite in Datolite and Goethite
$300
 Torr Works Quarry, England
Nasonite is one of the Holy Grails from the rare oxychloride suite occasionally found in Torr Works quarry at
Mendipite
$1,000
 Torr Works Quarry, England
A first-class specimen of delicate pink Mendipite with an outer crust of sooty black manganese oxides from the
Boracite
$750
 Boulby Mine, England
Boracite, magnesium borate, occurs sporadically in the Permian potash beds in Boulby mine at Loftus near the
Harmotome
$250
 Strontian, North West Highlands
Harmotome is one of the rarer zeolites, but is found as excellent crystal from around the mines at Strontian,
Otavite on Malachite with Cerussite
$1,200
 Tsumeb Mine, Namibia
An old-time specimen dating back to the very early days of mining at Tsumeb, the extremely rare mineral
Indite with Dzhalindite (Specimen & Polished Mount)
$500
 Dzhalinda Sn Deposit, Far-Eastern Region
Minerals incorporating the element Indium (In) are far from common and these two specimens, a small sawn slice
Hubeite with Quartz, Pyrite and Calcite
$5,000
 Fengjiashan Mine (Daye copper mine), Hubei Province
Hubeite is a rare Ca-Mn-Fe sorosilicate and was only named in 2001 after Hubei Province in China.  This
Henmilite on Olshanskyite
$1,700
 Fuka Mine, Japan
Equant azure to deep inky-blue crystals of the Ca-Cu borate Henmilite are scattered over the surface of
Väyrynenite
$5,000
 Shengus, Gilgit-Baltistan
A stunning and wonderful specimen of the very rare Mn-Be phosphate Väyrynenite from the complex granitic
Nikischerite with Vivianite and Pyrite
$2,500
 Huanuni mine, Bolivia
An ugly but excellent specimen of the very rare Na-Fe-Al sulphate Nikischerite from its type locality at the
Tantalite-(Mn)
$750
 Nazareno, Brazil
A choice double terminated crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno
Tantalite-(Mn)
$850
 Nazareno, Brazil
An excellent orthorhombic crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno
Lemanskiite
$200
 Abundancia Mine, Antofagasta Region
A rich miniature specimen of turquoise blue rare Lemanskiite with lighter blue possible Lavendulan from the
Whewellite
$650
 Pribram, Czech Republic
A sharp, single crystal of Whewellite measuring to 2.9 cm, with a very apparent steep termination from
Tyrrellite with Umangite and Klockmannite
$150
 Eagle Claims U-Cu-Se occurrence, Saskatchewan
A small miniature displaying three rare selenide species from the remote Eagle Claims U-Cu-Se occurrence in
Nagyágite with Rhodochrosite
$2,600
 Sacarimb (Nagyag), Romania
The Archduke Stephan Collection contained many rare mineral species, including this excellent specimen of the
Ludlockite with Schneiderhöhnite
$2,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A terrific combination of a number of rare mineral species from the Tsumeb mine in Namibia.  A roughly
Malachite pseudomorph after Azurite with Gartrellite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A gorgeous small cabinet specimen of velvet textured, deep emerald-green Malachite pseudomorphs replacing
Lanthanite-(Ce) and Malachite
$850
 Sneyd’s Level, Wales
Lanthanite-(Ce) is a rare cerium-lanthanum-neodymium carbonate whose type locality is the Britannia mine,
Native Silver with Dyscrasite
$700
  Pribram, Czech Republic
A granular, milky quartz matrix is richly impregnated and coated with pinkish-silver Native Silver in hackly
Dyscrasite
$1,500
 Gnade Gottes Mine, Lower Saxony
A tabular milky Quartz matrix is very richly shot-through with silvery-steel-grey Dyscrasite, a silver
Bournonite with Quartz
$8,500
 Herodsfoot Mine, England
A first-class specimen of classic ‘cog-wheel’ ore, the lead-copper antimoniate, Bournonite, from Herodsfoot
Liroconite
$800
 Wheal Gorland, England
A granular, large thumbnail matrix of iron-stained milky Quartz, is richly coated with intergrown blades of
Paravauxite with Childrenite
$250
 Llallagua, Bolivia
An excellent specimen of the rare hydrated iron-aluminium phosphate hydroxide Paravauxite as very pale-yellow
Jadeite (Emerald Jade)
$5,000
 Uru Fluss, Myanmar (Burma)
Of the two types of jade, Nephrite and Jadeite, Jadeite is by far the most precious and sought-after species.
Kostovite
$1,000
 Chelopech Au-Cu Mine, Sofiya Oblast
A thumbnail fragment of the very rare copper-gold telluride species Kostovite from its type locality of the
Steverustite
$350
 Frongoch Mine, Wales
An excellent and rich micromount of the very rare lead thiosulphate, Steverustite, from its type locality at
Barytocalcite
$1,250
 Nentsberry Haggs Mine, England
A very fine cabinet specimen of the rare barium-calcium carbonate, Barytocalcite, from Nentsberry Haggs mine
Leiteite
$500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A very rich thumbnail specimen of the rare mineral Leiteite displaying the characteristic