Silicates

354 results

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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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Kaolinite pseudomorphing after Orthoclase

$400

Melbur China Clay Pit, England

Colloquially referred to as a “Pig’s Egg” by miners, Kaolinite pseudomorphs after Orthoclase feldspar were

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Willemite

$750

Tsumeb Mine, Namibia

An elongated plate of cream to pale creamy-tan Willemite made-up entirely of crystals of between 2 and 5

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Willemite

$450

Tsumeb Mine, Namibia

Bluish-green teal spherical clusters of glassy Willemite to 0.5 cm diameter are stacked over a thumbnail sized

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Dioptase on Calcite with Duftite

$2,000

Tsumeb Mine, Namibia

An exceedingly choice miniature of rhombohedral Calcite crystals preferentially coated with micro Calcite

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Dioptase on Dolomite

$1,500

Tsumeb Mine, Namibia

A thin Calcite plate (epimorph cast) completely masked by 1 mm and sub-mm slightly bluish-emerald-green

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Titanite with Orthoclase variety Adularia

$750

Tormiq Valley, Pakistan

An interesting and aesthetic cluster of terminated Titanite crystals sat on a small matrix of opaque,

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Calcite with Stilbite on Chalcedony

$6,000

Jalgaon, India

A stunning and remarkable gemmy Calcite twin crystal from the Jalgaon District in Maharashtra, India.

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Beryl var. Aquamarine

$500

Gilgit District, Pakistan

A single, off-matrix Beryl crystal, variety Aquamarine, from the Gilgit District in Pakistan. The

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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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Axinite

$6,000

Obira mine, Japan

Axinite is not a common mineral in Japan, but the Obira mine by Bungo-Ono City in Kyushu Region certainly

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Lazurite

$600

Koksha Valley, Afghanistan

A large partly developed crystal of inky azure-blue Lazurite embedded in a plate of creamy-grey Orthoclase

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Beryl var. Aquamarine

$1,000

Chumar Bakhoor, Pakistan

A transparent, pale sky-blue crystal of Aquamarine, the blue variety of Beryl. This ex-matrix specimen

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Forsterite

$600

Sapat Gali, Pakistan

A terminated stubby lime-green Forsterite forming a spear-shaped crystal from Sapat Gali by Naran in the

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Phenakite

$1,200

Malyshevo, Russia

Phenakite is a rare beryllium orthosilicate found in pegmatites and is a highly sought after species.

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Almandine (Garnet Group)

$650

Zlatoust, Chelyabinsk Oblast

A beautiful miniature of Almandine garnet crystals richly covering a plate of massive Clinochlore and

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Beryl var. Aquamarine

$1,100

Shaitanka District, Middle Urals

A translucent, cornflower-blue crystal of Aquamarine, the blue variety of Beryl. From the Shaitanka

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Titanite with Orthoclase variety Adularia

$150

Tormiq valley, Gilgit-Baltistan

A sharp, well developed oil-green crystal of Titanite measuring 2.1 x 1.1 x 0.4 cm on a crystallised Adularia

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Hemimorphite

$200

Golconda Mine, England

Light fawn micro-crystals of Hemimorphite form drusy mounds to around 1.8 cm over a chalky-white Baryte

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Beryl var. Morganite

$1,200

Brazil, South America

An off-matrix, part tabular crystal of pale coral pink Morganite, the pink variety of Beryl. Admittedly

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Titanite

$3,500

Capelinha, Brazil

A large well-developed twin Titanite crystal measuring to 6.8 cm with gemmy to opaque green to light brown

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Beryl

$350

Teófilo Otoni, Minas Gerais

A single gemmy to translucent-opaque Aquamarine crystal displaying well-defined growth zones measuring to 5.9

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Beryl

$750

Brazil, South America

A large lustrous double terminated crystal of Beryl variety 'Aquamarine' with pastel green colour measuring

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Beryl var. Aquamarine

$8,500

Shigar Valley, Pakistan

A showstopper specimen of blue Aquamarine with striation on the prismatic faces and a multitude of parallel

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Spessartine Garnet on Muscovite

$1,500

Loliondo, Tanzania

A bright orange group of Spessartine garnets on a Muscovite matrix. There is one major crystal accompanied

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Orthoclase

$400

Baveno, Italy

A pleasing prismatic bicoloured single twinned crystal of Orhoclase measuring to 5.2 cm from Baveno, Piedmont,

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Benitoite with Neptunite on Natrolite

$3,500

Benitoite Gem Mine, California

A well-formed single crystal of Benitoite with a colour that ranges from deep ink blue on the edges to white

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Topaz

$2,000

Mogok Township, Mandalay Division

A well-formed transparent glass-clear single floater crystal of Topaz from Mogok Township, Myanmar. Most

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Epidote

$400

Kimmeria, East Macedonia and Thrace

A terrific small group of Epidote crystals which grade from a dark green at their base to a light

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Vesuvianite

$4,500

Jeffrey Mine, Canada

A stunningly aesthetic group of limey-apple-green Vesuvianite crystals with gemmy Diopside crystals richly

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Epidote

$1,250

Green Monster Mountain, USA

A spectacular thick blocky tabular crystal of very dark green Epidote from the famed Green Monster Mountain on

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Quartz

$450

Hot Springs, Arkansas

A beautiful small cabinet specimen of transparent Quartz crystals of the variety Rock Crystal from the world

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Epidote with Quartz (Japan law twin)

$6,000

Green Monster Mountain, USA

A gorgeous and outstanding cabinet specimen of beautifully crystallised, deep bottle-green Epidote dusted with

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Topaz

$1,500

Glen Cove, Colorado

The Pikes Peak area in Colorado is, of course, world famous for its Amazonite and smoky Quartz, but Topaz is

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Grossular var. Hessonite (Garnet Group)

$450

Jeffrey Mine, Canada

A great miniature group of intergrown Grossular garnet of the variety Hessonite, from Jeffrey mine at Asbestos

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Hemimorphite

$6,500

Esmeralda Mine, Durango

A superb cabinet specimen of translucent sky blue botryoidal bubbly Hemimorphite measuring overall to 13.2 cm

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Neptunite with Joaquinite-(Ce)

$1,500

California State Gem Mine (Dallas Gem Min), California

Excellent lustrous black prismatic crystals of Neptunite measuring to 1.8 cm long pleasingly contrasted on the

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Benitoite with Neptunite

$9,500

Dallas Gem Mine, USA

Classic cornflower inky-blue 'triangular' crystals measuring to 1 cm from gemmy to translucent-opaque

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Vesuvianite

$7,500

Jeffrey Mine, Québec

A superb crystal rich cabinet specimen of Jeffrey Mine Vesuvianite, Excellent lustrous crystals from a gemmy

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Analcime

$150

Dean Quarry, England

A typical specimen of white Analcime crystals measuring to around 2 cm with Calcite from Dean Quarry, St.

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Corundum var Ruby

$3,500

Froland, Norway

A particularly well developed tabular crystal of purple-red Corundum variety Ruby stands well above the

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Axinite-(Fe)

$1,500

Saint Christophe-en-Oisans, Auvergne-Rhône-Alpes

Classic gemmy triclinic bladed crystals of clove brown Axinite-(Fe) measuring to 4.3 mm, adorn a

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Grossular Garnet

$450

Žulová (Friedeberg), Olomouc Region

Intergrown group of lustrous red-brown Grossular Garnet variety Hessonite from Žulová, Czech Republic.

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Rhodonite

$6,500

Franklin Mine, USA

Classic Franklin Mine specimen of pink prismatic-bladed Rhodonite crystals measuring to 3 cm+ many displaying

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Benitoite

$6,500

California State Gem Mine (Dallas Gem Min), California

A superb specimen of two outstanding classic minerals from the California State Gem Mine, California.

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Dioptase

$3,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A classic crystal specimen of Tsumeb Mine Dioptase on Dolomite. A major crystal on the specimen measures to a

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Rhodonite

$2,500

Broken Hill Proprietary Mine, New South Wales

A fine single gemmy-translucent prismatic crystal of rich pink Rhodonite measuring to 2.4 cm tall rises from a

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Spessartine with Galena

$600

Broken Hill, Australia

Classic Broken Hill, Australia specimen of rootbeer coloured Spessartine Garnet. A tight cluster of crystal