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Rare Minerals

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Clausthalite with Siderite

$250

Eskaborn Adit, Saxony-Anhalt

If this specimen of Clausthalite with Siderite were featuring in one of our occasional ‘Beauty and The Beast’

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Pucherite

$850

Pucher Shaft, Germany

Hundreds of sub-millimetre Pucherite crystals cover the top surface of a heavy grey matrix. This specimen is

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Kutnohorite

$3,500

Wessels Mine, South Africa

Kutnohorite is perhaps one of the strangest looking of all minerals, more organic than mineral in structure

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Xanthoconite

$500

Trebsko, Czech Republic

Micro-crystals of the rare silver-arsenic sulphosalt Xanthoconite form tiny clusters of orange-red to

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Dufrénite

$450

Hoff auf mich Mine, Thuringia

A semi-lustrous black druse of micro-crystallised Dufrénite mostly covers dark olive green micro-botryoidal

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Argentopyrite

$3,500

Samson Mine, Germany

Argentopyrite is a rare silver-iron sulphur trioxide, a very seldom encountered species. This miniature is a

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Melilite

$1,750

San Rocco, Lazio

Labelled Melilite, this superbly crystallised specimen is from San Rocco in the Viterbo Province of Lazio,

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Nagyágite

$800

Sacarimb (Nagyag), Romania

Nagyágite is a rare lead-gold-tellurium-antimony sulphosalt often containing other metallic elements and forms

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Plagionite

$250

Wolfsberg, Saxony-Anhalt

Plagionite is an extremely rare lead sulphosalt, the term sulphosalt indicating the presence of sulphur and

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Connellite

$850

Wheal Unity, Cornwall

Connellite is a rare hydrous copper chloro-sulphate and occurs in several locations around Cornwall. This

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Andrewsite (Hentschelite-Rockbridgeite-Chalcosiderite mixture)

$400

Phoenix United Mine, Cornwall

The classic Cornish mineral Andrewsite is actually a mixture of Rockbridgeite and Hentschelite with minor

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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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Phosgenite

$400

Bage Mine, England

Phosgenite from its type locality at Bage mine close to Cromford in Derbyshire, England, is one of those “must

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Chalcoalumite, Ajoite, Brochantite on Native Copper and Cuprite

$100

New East Wheal Russell, England

A complexly mineralised miniature displaying Chalcoalumite (hydrous aluminium-copper sulphate), Ajoite

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Witherite

$150

A4119 road cutting, Rhondda-Cynon-Taff (Glamorgan)

Occasionally minerals specimens are found in unexpected new locations following engineering work which has

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Harmotome

$250

Strontian, North West Highlands

Despite being one of the rarer zeolites, Harmotome is found as excellent crystal groups from around the

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Acanthite with Stephanite

$850

Johanngeorgenstadt, Germany

Intermixed Acanthite with Stephanite form a rich silver-black metallic crystalline group of part octahedral

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Gadolinite-(Y)

$250

Høydalen (Høydalen Seter), Norway

A single crystal of Gadolinite-(Y) from one of the two Microcline pegmatite quarries at Høydalen in the

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Helvine

$750

St. Richard Mine (Friedefürst Mine), Saxony

Helvine, a rare beryllium manganese silicate, forms sharp buttery lemon yellow tetrahedral crystals richly

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Allargentum

$450

Shaft 371, Germany

Allargentum is a natural alloy of silver and antimony. This impressive small cabinet specimen is from Shaft

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Stolzite

$3,500

Sainte-Lucie Mine, Occitanie

Although Stolzite is a relatively rare mineral it is well known from several famous localities worldwide.

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Sylvanite

$3,500

Săcărâmb (Nagyág), Hunedoara County

Sylvanite is a rare silver gold telluride and is one of the almost eighty species from the polymetallic

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Nagyagite

$9,500

Săcărâmb, Hunedoara

The rare lead-gold-tellurium sulphosalt Nagyagite is one of the iconic mineral species from its type locality

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Krennerite

$3,500

Săcărâmb, Hunedoara

The Săcărâmb district in western mid-central Romania is this country’s only known deposit of tellurium and

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Meteorite Chondrite

$2,500

Transylvania, Romania.

This interesting block of Chondrite Meteorite is from the historic region of Transylvania in Romania and

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Plagionite

$800

Wolfsberg, Saxony-Anhalt

A rich, small miniature of the rare lead sulphosalt Plagionite forming blocky, silvery steel grey metallic

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Clausthalite

$2,000

Tilkerode (Abberode), Saxony-Anhalt

This small cabinet specimen displays micro-crystals of the rare lead selenide (PbSe) Clausthalite distributed

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Chalcophyllite

$275

Wheal Gorland, England

A fine small miniature of turquoise green Chalcophyllite crystals lining two vugs in a grey and tan,

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Azurite on Smithsonite

$200

Pikedaw-Grizedales Veins, North Yorkshire

A very rare specimen of Azurite from the Pikedaw-Grizedales Veins near Craven in North Yorkshire, England.

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Mendipite

$150

Torr Works Quarry, England

A good representative specimen of the rare lead oxychloride Mendipite from Torr Works quarry at Cranmore,

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Galena with Slickenside

$150

Grassington, UK

A small cabinet size slab of Calcite, Fluorite and Galena veinstone with one side featuring a solid face of

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Agrellite

$150

Kipawa alkaline complex, Canada

This cleaved long block of the rare silicate Agrellite is from its type locality in the Kipawa alkaline

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Joséite

$1,500

Carrock Mine, England

Joséite is a rare bismuth-tellurium sulphide which occurred in the mineralised veins worked in Carrock

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Covellite with Colusite, Bornite and Quartz

$2,000

Butte, USA

Colusite is a rare copper vanadium arsenic sulphide which occurs on this large miniature as tiny golden-bronze

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Wiluite

$1,000

Vilyui River Basin, Russia

A superb and seldom encountered specimen of the complex silicate Wiluite from one of its two co-type

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Topaz on Orthoclase Feldspar

$8,500

Murzinka Mine, Urals Region

A rare and stunning specimen of pale blue Topaz crystals on a terminated Orthoclase crystal from the Murzinka

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Argentopyrite and Pyrargyrite

$300

Pöhla-Tellerhäuser Mine, Saxony

An interesting miniature of crystallised Argentopyrite and Pyrargyrite from the Pöhla-Tellerhäuser mine in the

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Groutite

$600

Emilie Mine (Bülten-Adenstedt Mine), Germany

Groutite is a rare manganese hydroxide that is known to form excellent crystallised specimens at the Emilie

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Berzelianite

$300

Neu Karolinen, Germany

Berzelianite is a rare copper selenide which typically occurs as semi-lustrous, black metallic masses within

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Clausthalite with Calcite

$900

Zorge, Germany

Clausthalite is a rare lead selenide (PbSe) and on this small cabinet specimen forms granular metallic patches

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Native Iron

$650

Bühl, Germany

Despite the abundance of iron in the Earth’s crust, Native Iron is exceedingly rare. Such deposits are

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Paraguanajuati-te

Paraguanajuatite

$500

Falun Mine, Sweden

The extremely rare mineral Paraguanajuatite is a bismuth selenide and I don’t ever recall handling one

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Ilvaite

$2,500

Rio Marina, Italy

Ilvaite is a calcium-iron silicate and this superb crystal is from its type locality at Rio Marina on the Isle

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Diaphorite

$4,000

Vojtěch Mine, Bohemia

A 7 mm long crystal of Diaphorite, a rare silver-lead-antimony sulphosalt, sits flat in a Quartz crystal-lined

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Ludlamite on Pyrite

$4,500

Huanuni mine, Bolivia

Most collectors are more than familiar with the iron phosphate Ludlamite, but to have crystals set on a matrix

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Fluor-liddicoatite

$4,500

Estatoby (Antanetinilapa), Madagascar

The rare tourmaline species Fluor-liddicoatite is the fluorine analogue of Liddicoatite and this magnificent

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Talmessite var. Cobaltian

$2,500

Aghbar Mine, Morocco

Moroccan minerals are a favourite amongst collectors because of their diversity of species, vibrant colours

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Ephesite

$2,000

Postmasburg Manganese Field, South Africa

A superbly rich, small cabinet specimen of the rare mica silicate Ephesite from the Postmasburg Manganese