Silicates

526 results

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Calcite with Quartz and Albite

$300

Twll Maen Grisial, UK

This lovely example of Welsh, Alpine-style mineralisation comprises of Calcite with Quartz and Albite from

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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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Grossular Garnet var. Hessonite

$450

Jeffrey Mine, Canada

A great miniature group of intergrown Grossular Garnet crystals of the variety Hessonite, from Jeffrey mine at

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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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Euclase

$500

Alto do Giz pegmatite, Rio Grande do Norte

Colourless Euclase crystals, each containing a pale indigo blue phantom within the apex of the termination,

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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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Beryl Var. Morganite

$950

Blue Lady Mine, California

A 4.2 x 2.8 x 2.0 cm prismatic hexagonal crystal of Morganite, the pink variety of Beryl, from the Blue Lady

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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

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Orthoclase var. Adularia

$750

Tujetsch, Switzerland

An impressive sheave of solid crystallised Adularia, a low-temperature variety of Orthoclase Feldspar, from

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Uvarovite Garnet

$350

Biserskoye Chrome Deposit, Urals Region

A truly historic specimen of Uvarovite Garnet from the Biserskoye Chrome Deposit in the Urals Region of

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Orthoclase

$400

Baveno, Italy

A pleasing prismatic bicoloured single twinned crystal of Orthoclase measuring to 5.2 cm from Baveno in

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Epidote

$400

Kimmeria, East Macedonia and Thrace

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

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Kaolinite pseudomorphing after Orthoclase

$400

Melbur China Clay Pit, England

Colloquially known as a “Pig’s Egg” by miners and collectors alike, Kaolinite pseudomorphs after Orthoclase

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Dioptase

$1,500

Tsumeb Mine, Namibia

Bright emerald green Dioptase crystals up to 0.9 cm long richly coat the top surface of a Calcite matrix whose

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Andradite var. Demantoid (Garnet)

$1,500

Antetezambato Demantoid-Topazolite Mine, Antsiranana Province

The Antetezambato mine, also known as the Antetezambato Demantoid-Topazolite mine, is located in the far

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Inesite with Calcite

$1,000

Wessels Mine, South Africa

A most attractive specimen of apricot orange Inesite crystals and crystalline botryoidal developments are

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Willemite var. Troostite

$450

Tsumeb Mine, Namibia

Troostite is a red-brown variety of Willemite which was found throughout most parts of the orebody at

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Willemite

$350

Tsumeb Mine, Namibia

The zinc silicate Willemite was first encountered in the early years of mining at Tsumeb being found in the

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Dioptase with Duftite on Calcite

$450

Tsumeb Mine, Namibia

Dioptase crystals of deep emerald green richly coat a bed of small rhombohedral Calcite crystals, some of

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Quartz var. Chalcedony

$750

Trevascus Mine, Cornwall

The Trevascus mine lies towards the south west of Camborne, almost halfway along the railway line to

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Elbaite Tourmaline with Quartz

$5,000

Coronel Murta, Minas Gerais

Two highly flattened Elbaite Tourmaline crystals are developed in parallel growth and melded along their

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Quartz var. Gwindel

$8,000

Dodo Mine, Russia

This is one of those specimens for which you cannot really avoid shouting “Wow!”. It’s a quite amazing

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Schorl Tourmaline

$1,500

Davib Ost Farm 61, Namibia

This spectacular jet black Schorl Tourmaline measures 20.2 cm long, formed from stacked sub-parallel Schorl

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Topaz

$2,000

Volodarsk-Volynskii, Ukraine

Topaz, an aluminium-fluorine silicate, is well known for forming magnificently large and impressive crystals,

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Uvarovite Garnet

$950

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

This miniature is a great example of Uvarovite Garnet from the copper-zinc-cobalt mines in the Outokumpu

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Apophyllite

$150

St. Andreasberg, Germany

Apophyllite from the historic silver mining area of St. Andreasberg in Lower Saxony, Germany, is one of those

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Chrome Dravite Tourmaline

$800

Nadonjukin, Manyara Region

A fine part-gemmy rich chrome green pair of Chrome Dravite crystals measuring to 3.3 cm tall, with adjacent

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Schorl Tourmaline

$250

Tubussis Farm 22, Namibia

Schorl, the black iron iron-rich member of the Tourmaline Group, famously forms fabulous crystals at many

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Quartz var. Amethyst on Danburite

$400

Charcas, San Luis Potosí

This small miniature / large thumbnail is a terrific combination of a double terminated stubby crystal of

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Scheelite on Zinnwaldite

$450

Cínovec / Zinnwald, Saxony & Ústí Region

An excellent miniature displaying a dense cluster of sharply formed Scheelite crystals set in a matrix of

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Axinite-(Fe)

$500

Puiva Mount, Western-Siberia

The polymetallic ore deposit at Puiva Mount in Western-Siberia, Russia, is host to over 50 mineral species and

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Dioptase on Quartz

$4,500

Mindouli District, Pool Department

Copper mineralisation occurs along a 3 km escarpment close to the village of Mindouli in the Pool Department

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Topaz

$450

Klein Spitzkopje Granite Stock, Namibia

The Klein Spitzkopje in the Erongo Region of Namibia is a spectacular isolated granite stock (an inselberg),

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Smoky Quartz var. Gwindel with Adularia

$5,000

Giuv Valley, Switzerland

This fabulous plate of Alpine minerals is from the Giuv Valley in Grischun, Switzerland, an area of high