Silicates

349 results

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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

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Spessartine Garnet

$8,500

Broken Hill, Australia

Classic lustrous mid to dark coloured root-beer well-formed crystals of Spessartine Garnet crystals measuring

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Willemite with Dolomite

$500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

Gemmy intergrown lustrous yellow crystals of Willemite measuring to around 2 mm with white terminations have

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Epidote

$9,500

Knappenwand, Austria

A rare old-time specimen of Knappenwand Epidote with an old (1877?) Bryce M. Wright of 90 Great Russell St,

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Andradite Garnet

$5,000

Serifos Island, Greece

An excellent rich specimen of Andradite Garnet displaying abundantly intergrown crystals measuring to 8 mm,

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Spessartine Garnet

$300

Loliondo, Tanzania

A fine specimen of lustrous multi-faced Spessartine crystal measuring to 2.6 cm with a gemmy-translucent

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Plancheite

$6,500

Tantara Mine, DR Congo (Zaire)

An excellent rich specimen of fine blue Plancheite with sugary Quartz epimorphs probably after Calcite

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Dioptase

$5,000

Kaokoveld Plateau, Kunene Region

A deep emerald green cluster of well-formed Dioptase crystals on a varied light blue botryoidal Plancheite

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Fosterite var Peridot

$1,200

St. Johns Island, Egypt

A gem bladed crystal of yellow-green Fosterite displaying curved striated faces with a well-formed

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Topaz

$450

Mina Veronica, Mexico

A pleasing miniature array of gemmy-translucent crystals of lustrous red-brown Topaz measuring to 1.9 cm long

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Rhodonite

$5,000

Franklin Mine, USA

A particularly fine array specimen of long bladed-tabular to prismatic pink Rhodonite crystals measuring to

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Datolite on Quartz

$500

Dal'negorsk, Russia

A bright gem crystal specimen of pastel green Datolite with crystals measuring to 1.7 cm on a white crystal

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Benitoite with Neptunite

$9,500

Dallas Gem Mine, USA

A very fine crystal display of cornflower blue to white 'triangular' Benitoite crystals to 1.8 cm, with an

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Chrysocolla

$3,000

Rheinbreitbach, Germany

A striking and aesthetic old-time specimen of Chrysocolla, forming a rich botryoidal crust over a matrix of

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Vesuvianite

$3,500

Eg (Eeg), Norway

A terrific specimen from the Archduke Stephan Collection composed of large, stubby equant Vesuvianite crystals

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Fluorapophyllite-(K) [Apophyllite]

$1,600

Samson Mine, Germany

A beautiful small cabinet specimen of Fluorapophyllite-(K) from the Samson mine at St. Andreasberg,

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Uvarovite Garnet

$7,500

Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region

A fine specimen displaying a substantial rich emerald green crystal of Uvarovite Garnet measuring to a

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Asisite, Britvinite and Hematophanite

$2,000

Kombat Mine, Namibia

A mixed ore specimen composed of granular Asisite, Britvinite, Hematophanite and Quartz from Kombat mine,

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Beryl Var. Heliodor

$2,000

Klein Spitzkopje Granite Stock, Namibia

This part Beryl crystal is from the Klein Spitzkopje granite stock in the Erongo Region of Namibia, an area

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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 Prigorodny

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Tourmaline var. Indicolite

$3,000

Konar Province, Nuristan

A splendid intergrown group of two deep inky, midnight-blue Tourmaline crystals, the larger of which is 4.8 cm

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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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Lazurite

$1,500

Sar-e-Sang, Afghanistan

An excellent crystal of dark inky-blue Lazurite measuring 3.6 cm (longest dimension) is attractively perched,

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Cavansite with Stilbite

$1,250

Steinbruch Complex, Maharashtra

A most attractive specimen of the calcium vanadium silicate, Cavansite, forming five spherical aggregates of

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Bannisterite with Rhodonite

$5,000

Zinc Corporation Mine, Australia

A rare specimen of Bannisterite, a chemically complex species in lustrous black intergrown bladed crystals

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Dioptase on Calcite

$8,500

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A rather unusual specimen of the copper silicate mineral Dioptase, from the Tsumeb mine in Namibia, in that it

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Dioptase

$6,000

Tsumeb Mine, Oshikoto Region (Otjikoto Region)

A leaning mound of snowy-white Calcite crystals is almost entirely obscured by a covering of deep

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Inesite with Natrolite

$600

N'Chwaning Mines, South Africa

A smart array of three N'chwanning Mines minerals. with orange to pink crystal sprays of Inesite measuring to

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Diopside

$400

Merelani Hills, Tanzania

A neat thumbnail specimen of gemmy green Diopside displaying two crystals from the Merelani Hills workings,

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Ilvaite with Quartz

$750

Dal'negorsk, Russia

A pleasing display of bladed-prismatic fan-like lustrous black Ilvaite crystals associated with lots of

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Shattuckite with Quartz

$5,000

Kandesei, Namibia

A fine very rich specimen of powder blue minutely botryoidal Shattuckite forms a raised aggregate in the form

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Hemimorphite

$2,000

MMM Mine, Australia

A very seldom seen specimen of Hemimorphite from the MMM Mine, Broken Hill, Australia. A fine specimen

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Quartz Var. Amethyst

$600

Wheal Jane, England

The undulating upper surface of a milky Quartz matrix is totally encrusted with glassy, well terminated

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Calcite with Hemimorphite

$600

Millclose Mine, England

The Millclose mine, close to Matlock in Derbyshire, was a major lead producer and is known for its excellent

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Topaz

$200

Mina Veronica, Mexico

A very fine and neat display thumbnail specimen of Mina Veronica Topaz. Crystals of colourless to red tipped

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Topaz

$300

Thomas Range, Utah

A fine classic gem wine coloured Topaz crystal measuring to 2.2 cm tall on a white Rhyolite matrix,

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Quartz on Chrysocolla

$850

Globe, Arizona

Hemispheres measuring to 5 mm diameter and botryoidal aggregates of light blue Chrysocolla are covered by a

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Grossular Garnet

$8,500

Jeffrey Mine, Québec

A very fine and gemmy Jeffrey Mine, Canada miniature specimen of Grossular Garnet. Excellent intergrown

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Beryl var Morganite

$8,000

Governador Valadares, Minas Gerais

A fine gem crystal of Morganite measuring to 6 cm x 5.5 cm+ possessing a pleasing characteristic pink

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Vesuvianite

$9,000

Jeffrey Mine, Québec

A fine lustrous multi-coloured specimen of intergrown Vesuvianite crystals measuring to 1.8 cm and displaying