Silicates

384 results

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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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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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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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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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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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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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Vesuvianite

$9,000

Jeffrey Mine, Québec

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

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Rhodonite with Galena

$1,500

North Mine, Australia

A showy, 1.8 x 0.3 cm terminated Rhodonite crystal laying flat and half embedded in a small matrix of bright

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Rhodonite with Galena

$1,250

North Mine, Australia

Two lozenge-shaped, deep cherry-red Rhodonite crystals attached to a little bright silver Galena from North

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Spessartine Garnet with Galena

$500

Broken Hill, Australia

A rich knot of burnt cherry-red Spessartine Garnets embedded and protruding from a matrix of massive

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Prehnite with Calcite

$3,000

Goboboseb Mountains, Namibia

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

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Bustamite

$1,200

Broken Hill, Australia

Characteristic somewhat rounded crystals of Bustamite from the Broken Hill Orebody, Australia. Crystals of

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Apophyllite with Calcite

$750

Zinc Corporation Mine, Australia

A fine display of colourless pyramidal Apophyllite crystals covers the majority the Calcite crystal faces.,

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Fluorite with Quartz

$300

Burtree Pasture Mine, England

Burtree Pasture mine is perhaps one of the lesser known localities in Weardale, situated a little to the north

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Harmotome

$600

Strontian, North West Highlands

A good sized cabinet specimen with its display face richly coated with Harmotome crystals from the mines just

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Quartz Var. Smoky Quartz

$300

Rostowrack China Clay Pit, England

A magnificent off-matrix Smoky Quartz crystal with large and lustrous crystal faces from the Rostowrack China

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Calcite on Quartz with Galena and Tetrahedrite

$950

Herodsfoot Mine, England

A cabinet-size triangular-shaped specimen of lustrous opaque milky-white Calcite crystals, double terminated

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Cassiterite Var. “Wood Tin” with Quartz and Dolomite

$500

Cornwall, England

A very good example of the variety of Cassiterite known as “Wood Tin”, due to its concentric banded

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Rhodonite

$850

North Mine, New South Wales

Characteristic raspberry red translucent to near gemmy blocky-tabular crystals of Rhodonite

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Hedenbergite

$2,000

Broken Hill, Australia

A rare for the location crystal specimen of dark coloured Hedenbergite, intergrown crystals of Hedenbergite

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Topaz with Quartz

$500

Ouro Preto, Brazil

A couple of gem to opaque prismatic crystals of Imperial Topaz measuring to 1.5cm are partly enveloped

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Spessartine

$750

Broken Hill, Australia

Rich rootbeer coloured lustrous crystals of Spessartine measuring to 1.4 cm are aggregated and scattered

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Rhodonite

$1,200

North Mine, New South Wales

A neat gem crystal of red-pink Rhodonite from the North Mine, Broken Hill, Australia. A well-defined

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Spessartine Garnet

$6,000

North Mine, New South Wales

A classic specimen of Spessartine Garnet from the North Mine, Broken Hill, Australia. Excellent very lustrous