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Rare Minerals

Rare Minerals

190 results

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Mellite

$300

Artern, Thuringia

Mellite is an very unusual organic compound, an aluminium benzene hexacarboxylate hydrate. This deep

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Whewellite

$900

Schacht 38 Mine, Germany

Whewellite is a relatively rare organic mineral, a hydrated calcium oxalate. This is a near-perfect,

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Siegenite

$450

Stahlberg Mine (Schwabengrube), Germany

Excellent crystals of dark steel-blue Siegenite with an attractive iridescence from its type locality at

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Harmotome

$450

St Andreasberg, Germany

A large plate of Quartz-rich matrix is covered on both faces with glassy, translucent milky-white Harmotome

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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

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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

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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

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Boracite

$750

Boulby Mine, England

Boracite, magnesium borate, occurs sporadically in the Permian potash beds in Boulby mine at Loftus near the

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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,

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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

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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

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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

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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

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Väyrynenite

$5,000

Shengus, Gilgit-Baltistan

A stunning and wonderful specimen of the very rare Mn-Be phosphate Väyrynenite from the complex granitic

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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

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Tantalite-(Mn)

$750

Nazareno, Brazil

A choice double terminated crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno

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Tantalite-(Mn)

$850

Nazareno, Brazil

An excellent orthorhombic crystal of Tantalite-(Mn) from the São João del Rei pegmatite province of Nazareno

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Lemanskiite

$200

Abundancia Mine, Antofagasta Region

A rich miniature specimen of turquoise blue rare Lemanskiite with lighter blue possible Lavendulan from the

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Whewellite

$650

Pribram, Czech Republic

A sharp, single crystal of Whewellite measuring to 2.9 cm, with a very apparent steep termination from

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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

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Nagyágite with Rhodochrosite

$2,600

Sacarimb (Nagyag), Romania

The Archduke Stephan Collection contained many rare mineral species, including this excellent specimen of the

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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

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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

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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,

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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

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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

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Bournonite with Quartz

$8,500

Herodsfoot Mine, England

A first-class specimen of classic ‘cog-wheel’ ore, the lead-copper antimoniate, Bournonite, from Herodsfoot

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Liroconite

$800

Wheal Gorland, England

A granular, large thumbnail matrix of iron-stained milky Quartz, is richly coated with intergrown blades of

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Paravauxite with Childrenite

$250

Llallagua, Bolivia

An excellent specimen of the rare hydrated iron-aluminium phosphate hydroxide Paravauxite as very pale-yellow

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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.

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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

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Barytocalcite

$1,250

Nentsberry Haggs Mine, England

A very fine cabinet specimen of the rare barium-calcium carbonate, Barytocalcite, from Nentsberry Haggs mine

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Ludlamite

$350

Cabeça do Cachorro Claim, Amazonas

Ludlamite is a rare iron-manganese-magnesium phosphate and this very fine specimen shows the wonderful quality

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Potarite

$250

Potaro River, Potaro-Siparuni Region

An extremely rare specimen of the palladium-mercury alloy Potarite, a palladium amalgam (PdHg). This

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Legrandite

$500

Ojuela Mine, Mexico

A neat miniature of the rare zinc arsenate mineral Legrandite forming vivid acidic bright lemon-yellow

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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

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Bannisterite

$800

Broken Hill, Australia

A very rich specimen of the rare mineral Bannisterite from the Broken Hill Mining District of New South Wales,

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Sturmanite

$800

N'Chwaning Mines, South Africa

Small acid-yellow to much larger burnt toffee-yellow crystals of Sturmanite richly coat a pinkish-grey matrix

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Froodite

$250

Talnakh Cu-Ni Deposit, Eastern-Siberian Region

A polished ore-section mount of metallic grey areas in a 'Chalcopyrite'-like matrix from the Talnakh

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Calaverite

$5,000

Portland Mine, Colorado

A large Quartz specimen is loaded with bright metallic yellowish to tin white crystals of the rare Gold

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Sylvanite

$2,500

Baia de Aries, Romania

A 5 x 4 cm area of a 1 cm thick Quartz plate is almost entirely encrusted with bright silver Sylvanite from

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Köttigite-Parasymplesite series

$3,500

Ojuela Mine, Mexico

A particularly fine specimen of Köttigite-Parasymplesite series forming excellent displays of radial

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Liroconite

$6,500

Wheal Gorland, England

A very fine and rich specimen of Liroconite from Wheal Gorland, St. Day, Cornwall. Excellent blue to

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ANDORITE

$700

San José Mine, Oruro Department

The lead-silver-antimony sulphosalt mineral, Andorite, is seldom seen in collections and this fine specimen is

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MAUCHERITE with NICKELINE

$1,200

Mansfeld Basin, Saxony-Anhalt

A miniature containing two nickel arsenate minerals, Maucherite and Nickeline, from the Mansfeld Basin in

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BEUDANTITE and SEGNITITE

$1,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A rich small cabinet specimen of Beudantite and Segnitite, both occurring as equant micro-crystals and

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Zincolivenite with Schultenite

$1,250

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Zincolivenite in bright green druse of intergrown crystals with the rare mineral Schultenite in

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Nagyagite

$2,000

Sacarimb (Nagyag), Romania

Abundant platy metallic grey crystals measuring to around 5mm of the rare mineral Nagyagite stand on