Silicates

551 results

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Chalcedony

$550

Trevascus Mine, Cornwall

Chalcedony from Trevascus mine at Carnhell Green, between Camborne and Hayle in Cornwall is readily

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Beryl var. Aquamarine with Albite var. Cleavelandite

$6,000

Fano Mine, California

A well-formed gemmy crystal of Aquamarine Beryl to 2.4 cm nestles amongst intergrown rounded blades of white

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Microcline variety Amazonite with Quartz and Albite

$1,500

Two Point claim, Colorado

Amazonite is the blueish-turquoise-green variety of Microcline Feldspar and its association with smoky Quartz

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Neptunite with Joaquinite-(Ce) and Benitoite

$2,000

California State Gem Mine, California

The combination of Neptunite and Benitoite is a classic from the California State Gem mine on Santa Rita Peak,

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Topaz

$1,500

Glen Cove, Colorado

The Pikes Peak area in Colorado is world famous for its Amazonite and smoky Quartz, but Topaz is not that

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Pectolite

$1,250

Millington Quarry, New Jersey

A splendid large miniature of Pectolite displaying an excellent botryoidal habit, with edges of the specimen

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Chrysocolla after Azurite

$2,000

Ray Mine, USA

A particularly fine rich turquoise-blue to minty-green miniature of intergrown prismatic crystals of Azurite

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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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Quartz

$400

Ace of Diamonds Mine, New York

An asymmetric double terminated gemmy Quartz crystal from the famed Ace of Diamonds mine at Middleville in

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Dioptase with Cerussite, Wulfenite and Mottramite

$750

Mammoth-St. Anthony Mine, USA

Large areas of the creamy matrix are covered in a rich druse of sparkling bluish-green acicular Dioptase

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Hemimorphite

$500

Banner District, Arizona

Botryoidal powder blue Hemimorphite coats both sides of a flattened sandy coloured matrix from the Banner

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Pargasite in Marble

$5,500

Sungate Mine, Vietnam

Pargasite is a rare sodium-calcium-magnesium-aluminium silicate and in this show-stopping large cabinet

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Quartz var. Amethyst with Prehnite, Epidote and Calcite

$3,500

Goboboseb Mountains, Namibia

I have had the privilege of collecting in the spectacular landscape of the Goboboseb Mountains in Namibia but,

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Vesuvianite

$4,000

Jeffrey Mine, Québec

This small miniature Vesuvianite from Jeffrey mine at Asbestos in Québec, Canada, is a stunning example of the

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Prehnite with Calcite

$3,000

Goboboseb Mountains, Namibia

A well-developed ball of crystalline light mint-green Prehnite measuring to 3.6 cm displays with translucent

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Topaz

$1,800

Shigar Valley, Pakistan

A prize small cabinet specimen of a single lustrous gemmy crystal of Topaz from the Shigar Valley in northern

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Orthoclase pseudomorph after Leucite

$800

Kalehöyük, Kırşehir Province

The mineral occurrence at Kalehöyük in central Turkey is only known for two minerals, Leucite and Orthoclase,

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Rhodonite with Galena

$650

North Mine, Australia

The unusual combination of large glassy Rhodonite crystals embedded in Galena is unique to the mines at Broken

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Serandite

$600

Mont Saint-Hilaire, Québec

A classic salmon pink intergrown crystal of Serandite from the world famous Mont Saint-Hilaire quarry close to

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Quartz var. Rose Quartz

$225

Taquaral, Brazil

A solid cluster of bright rose-pink, slightly lilac, Rose Quartz from Taquaral in the Jequitinhonha Valley of

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Beryl

$3,500

Green Walking Stick deposit, Zimbabwe

The enigmatically named Green Walking Stick deposit lies to the east of Lake Kariba in northern

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Beryl var. Heliodor

$650

Stiepelmann Mine, Namibia

A well formed and terminated Beryl crystal, variety Heliodor, from the Klein Spitzkoppe (Spitzkopje) granite

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Grossular (Garnet Group)

$850

Jeffrey Mine, Canada

A delightful large thumbnail cluster of gemmy pinkish-apricot orange Grossular Garnets on a tiny and hidden

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Dioptase

$1,200

Tsumeb Mine, Namibia

The copper silicate Dioptase is certainly one of the most iconic species from the Tsumeb mine in Namibia. This

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Beryl var. Heliodor

$9,500

Volodarsk-Volynskii, Ukraine

The world-famous granite pegmatites of the Volodarsk-Volynskii mine in the Ukraine are most famous for their

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Fluorapophylli-te

Fluorapophyllite

$300

Nashik Quarry, Maharashtra

Excellent sharp lustrous double and single terminated crystals of colourless to milky white Fluorapophyllite

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Quartz var. Amethyst with Prehnite

$1,200

Goboboseb Mountains, Namibia

A beautiful 8.3 x 2.5 x 1.6 cm transparent Quartz crystal with wispy purple Amethyst zones from the Goboboseb

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Beryl var. Aquamarine

$3,000

Marambaia, Minas Gerais

An unusual flattened hexagonal Beryl crystal of the variety Aquamarine from Marambaia in the Jequitinhonha

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Axinite-(Fe) with Quartz

$900

Obira mine, Japan

This great miniature of Axinite-(Fe) with Quartz is from the Obira mine in Oita Prefecture, Japan, a Miocene

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Andradite Garnet

$600

Sinerechenskoe skarn occurrence, Primorsky Krai

The Sinerechenskoe skarn occurrence in Primorsky Krai, Russia, lies towards the eastern most extremity of

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Aurichalcite with Hemimorphite and Baryte

$150

Golconda Mine, England

A fine miniature of delicate powder turquoise-green Aurichalcite forms a velvet textured druse of

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Anatase with Quartz, Albite and Calcite

$1,200

Prenteg, Wales

Prenteg is famous for the occurrence of the trimorphous minerals Anatase, Brookite and Rutile, each a

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Willemite var. Troostite

$1,200

Tsumeb Mine, Namibia

Willemite occurs throughout the ore body at the Tsumeb mine in the Oshikoto Region of Namibia and Troostite is

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Calcite with Dioptase inclusions

$7,500

Tsumeb Mine, Namibia

These well-known specimens of Dioptase-included within translucent colourless to creamy rhombohedral Calcite

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Dioptase

$150

Tsumeb Mine, Namibia

A choice thumbnail displaying a single equant crystal of Dioptase on a small bed of millimetre-sized,

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Zircon

$1,200

Seiland Island, Norway

Seiland is one of a plethora of small islands around the northern coast of Norway and here Zircon occurs in

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Spodumene var. Hiddenite

$1,800

Adams Hiddenite And Emerald Mine, USA

Don’t some people just get all the luck? Surely either an Emerald or Hiddenite mine would be deemed a

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Topaz

$5,000

Murzinka Mine, Urals Region

An off-matrix terminated Topaz crystal of bright cornflower-blue from the Murzinka mine in the Prigorodny

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Spessartine with Schorl on Feldspar.

$2,500

Skardu District, Gilgit-Baltistan

A very well formed crystal of dark, rich burgundy red Spessartine Garnet with flashes of lighter claret red,

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Beryl var. Emerald

$6,500

Krupskoye Deposit, Russia

Translucent to semi-transparent crystals of bluish-green Beryl of the variety Emerald richly pervade a sharply

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Beryl var. Aquamarine

$900

Gilgit District, Pakistan

This magnificently terminated Aquamarine prism is of a beautiful bright sky blue with a superb glassy and

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Almandine Garnet

$850

Monteneve Mine, Italy

A heavy block of dark red and black matrix is richly encrusted with deep burgundy red Almandine Garnets to 1.1

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Titanite

$700

Untersulzbach Valley, Austria

A terrific cabinet specimen composed of lustrous glassy lime-green Titanite crystals scattered over a strongly

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Beryl

$750

Brazil, South America

A large, lustrous double terminated Aquamarine Beryl crystal of pastel cucumber green measuring 9.5 cm between

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Spodumene var Kunzite

$800

Dara-i-Pech Pegmatite Field, Afghanistan

A classic pink gemmy-translucent crystal of Kunzite from Dara-i-Pech in Konar Province, Afghanistan. A

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Spodumene

$900

Konar Valley, Afghanistan

A gemmy yellowish lime green crystal of Spodumene displaying well-formed prism faces and naturally etched

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Topaz

$600

Nujiang Valley, China

A well-proportioned colourless gemmy crystal of Topaz measuring to 3.2 cm with excellent, perfectly defined

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Beryl Var. Aquamarine

$4,000

Ural Mountains, Siberia

A simple, single hexagonal prismatic crystal of Beryl, of the variety Aquamarine, from the Ural Mountains in