Silicates

449 results

Buy Now View Item

Beryl variety Emerald with Calcite

$3,500

Mun. de Muzo, Boyacá Department

An excellent and well-formed single hexagonal prismatic Emerald crystal measuring 1.5 cm by 3 mm diameter, set

Buy Now View Item

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

Buy Now View Item

Beryl variety Gem Aquamarine

$8,500

Corrego Sao Francisco, Brazil

A beautifully prismatic, gem quality and finely coloured sky-blue Beryl crystal from Córrego São Francisco in

Buy Now View Item

Elbaite (Tourmaline) with Muscovite

$5,500

Barra do Salinas, Brazil

Oh Wow! What an amazing Tourmaline and a specimen unlike any I have ever seen before because of its

Buy Now View Item

Andradite Garnet

$600

tanley Butte, Arizona

This wonderful specimen is composed entirely of Andradite Garnet, which forms an impressive domed display of

Buy Now View Item

Elbaite (Tourmaline) with Lepidolite

$650

Coronel Murta, Minas Gerais

This gorgeous pink Elbaite Tourmaline is from a large pocket recently discovered in the Coronel Murta gem

Buy Now View Item

Franklinite with Zinkenite, Willemite and Calcite

$250

Franklin Furnace, New Jersey

The Franklin-Stirling Hill orebody is one of the most diversely mineralised deposits on Earth containing over

Buy Now View Item

Topaz variety Imperial

$750

Ouro Preto, Minas Gerais

A fine lustrous, gemmy single, well-terminated crystal of pinkish-orange prismatic Imperial Topaz from Ouro

Buy Now View Item

Willemite

$900

Franklin Mining District, New Jersey

From the fluorescent capital of the world, this is a rare specimen of well-developed Willemite crystals,

Buy Now View Item

Dioptase with Calcite

$12,500

Tsumeb Mine, Namibia

Mention Tsumeb and Dioptase soon springs to mind, as it is perhaps the most iconic mineral from this amazing

Buy Now View Item

Tourmaline with Albite var. Cleavelandite

$17,500

Paprok, Afghanistan

A single, colour-zoned Tourmaline crystal stands erect attached to a partly enveloping array of intergrown

Buy Now View Item

Elbaite (Tourmaline) with Lepidolite on Albite

$1,200

Barra De Salinas, Brazil

Cute 1.8 cm tall leaf-grading up to bright tea-green Elbaite Tourmaline crystals are attached to a snow-white

Buy Now View Item

Elbaite (Tourmaline) with Lepidolite

$2,200

Barra De Salinas, Brazil

A beautiful composite Elbaite Tourmaline prism from Barra de Salinas in Minas Gerais in Brazil. Of

Buy Now View Item

Elbaite (Tourmaline) on Quartz with Lepidolite

$4,500

Barra De Salinas, Brazil

Wow and double wow! What a fabulous specimen this is! A broad, skyscraper-like tower of

Buy Now View Item

Elbaite (Tourmaline) with Lepidolite

$1,750

Coronel Murta, Minas Gerais

Mounted vertically on a clear acrylic base, this elegant pink Elbaite Tourmaline crystal, 5.3 cm tall, is from

Buy Now View Item

Spessartine Garnet

$4,000

North Mine, Australia

North Mine is one of the most famous mines on the Line of Lode at Broken Hill in Australia, one of the world’s

Buy Now View Item

Rhodonite with Galena and Spessartine Garnet

$2,000

North Mine, Australia

Another red mineral from North Mine at Broken Hill, New South Wales, Australia, which rather surprisingly

Buy Now View Item

Hedenbergite

$3,500

North Mine, Australia

Hedenbergite is one of those species rarely encountered in collections from the Broken Hill Mining District in

Buy Now View Item

Spessartine Garnet

$1,500

North Mine, Australia

Rich cranberry and damson-plum Spessartine Garnets set in a matrix of lead-grey Galena really needs no

Buy Now View Item

Grossular Garnet var. Hessonite

$7,500

Jeffrey Mine, Québec

An excellent specimen of beautiful gemmy crystals of Grossular Garnets from the prime location at the Jeffrey

Buy Now View Item

Andradite Garnet with Amphibole

$950

Malenco Valley, Italy

A spectacular and classic specimen of intergrown oil-green Andradite crystals atop a fibrous white Amphibole

Buy Now View Item

Bustamite

$600

North Mine, New South Wales

Bustamite is a calcium manganese inosilicate and famously occurs as superb rose to candy-pink crystals within

Buy Now View Item

Diopside with Graphite

$700

Merelani Hills, Tanzania

Crystallised Diopside moves into a much higher gear within the Merelani Hills mining district of north-eastern

Buy Now View Item

Beryl var. Emerald

$7,500

Panjshir Province, Afghanistan

Well formed and terminated gemmy-translucent crystals of Emerald on a mica-schist from Afghanistan. Five

Buy Now View Item

Vesuvianite

$4,500

Jeffrey Mine, Canada

A beautiful archetypal specimen of Vesuvianite from the famous Jeffrey mine at Asbestos in Canada. Very

Buy Now View Item

Beryl var. Emerald

$2,500

Malyshevo, Russia

A great specimen of Russian Emerald, a variety of Beryl, in crystals measuring to 2.3 cm from Malyshevo in the

Buy Now View Item

Dioptase with Cerussite

$4,500

Tsumeb Mine, Namibia

Dioptase is always a collector’s favourite and is one of the iconic minerals from the Tsumeb mine in

Buy Now View Item

Grossular Garnet

$750

Cofre de Perote, Veracruz

Crystals of translucent-gemmy apple-green to almost colourless Grossular Garnet, measuring to 4 mm+, richly

Buy Now View Item

Chrysocolla

$50

Moon's Hill Quarry, Somerset

A dark grey andesite lava containing small amounts of purple oxidised likely Bornite with extensive surface

Buy Now View Item

Augite (Pyroxene) with Calcite

$1,400

Arendal, Aust-Agder

This specimen of black Augite with salmon-pink Calcite is from the historic collection of Archduke Stephan of

Buy Now View Item

Dioptase

$1,750

Tsumeb Mine, Namibia

Although categorised at Tsumeb as “common”, finds of the quality and crystal size displayed in this specimen

Buy Now View Item

Dioptase

$1,250

Tsumeb Mine, Namibia

Of all Tsumeb’s spectacular minerals, the copper silicate Dioptase is widely considered its signature

Buy Now View Item

Dioptase on Calcite

$650

Tsumeb Mine, Namibia

Four charming, equant Dioptase crystals averaging 4 to 6 mm diameter form a deep emerald green linked chain

Buy Now View Item

Kaolinite ps. after Orthoclase

$900

Goonbarrow China Clay Pit, England

The superb Kaolinite pseudomorphs after Orthoclase feldspar found in many of Cornwall’s china clay pits (CCPs)

Buy Now View Item

Quartz var. Chalcedony

$700

Cornwall, England

This rather delightfully structured Chalcedony reminds me of the Devils Tower in Wyoming, made internationally

Buy Now View Item

Epidote with Actinolite

$7,500

Knappenwand, Austria

Gemmy, bottle to deep sage-green translucent Epidote from the Knappenwandmulde series of epidote-amphibolites

Buy Now View Item

Magnetite with Rutile, Hematite, Adularia and Quartz

$6,000

Binn Valley, Switzerland

Magnificent, individual sharp octahedral Magnetite crystals are richly scattered across the surface of a

Buy Now View Item

Quartz with Chlorite

$1,500

Central St. Gotthard Massif, Switzerland

A cluster of superb and impressive ice-clear Quartz crystals rest on a thin yet strong plate of mixed

Buy Now View Item

Magnetite in Asbestos

$2,500

Totenkopf (Lower Riffl glacier), Salzburg

An amazing and superb, cuboctahedral Magnetite measuring 2.3 cm across sits partly embedded in a matrix of

Buy Now View Item

Andradite Garnet with Quartz and Hedenbergite

$300

Serifos Island, Aegean Islands

A classic combination of Andradite Garnet with Quartz and Hedenbergite from Serifos Island, one of the Aegean

Buy Now View Item

Hematite with Orthoclase var. Adularia

$250

St. Gotthard Massif, Ticino (Tessin)

A delightful small thumbnail Iron Rose Hematite from the St. Gotthard Massif in Switzerland, with an attached

Buy Now View Item

Tourmaline with Albite var. Cleavelandite

$1,250

Elizabeth R. Mine, California

A rare location piece from the Elizabeth R. mine on Chief Mountain at Pala, California. Judging by its

Buy Now View Item

Beryl var. Aquamarine

$7,500

Corrego Sao Francisco, Brazil

Mounted vertically on its acrylic base, the wonderful colour, morphology, and surface texture of this

Buy Now View Item

Tourmaline with Lepidolite

$3,500

Himalaya Mine, California

This most stunning miniature Tourmaline (probably Elbaite) is bicoloured, grading from pale sage-green to

Buy Now View Item

Neptunite with Joaquinite-(Ce)

$3,500

California State Gem Mine, California

This exposed vein section of snow-white Natrolite is richly covered with scattered, long, elegant black

Buy Now View Item

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,

Buy Now View Item

Hydroxylherderite on Albite

$600

Barra De Salinas, Brazil

Excellent, opaque pale flesh pink-creamy crystals of the calcium-beryllium phosphate Hydroxylherderite are

Buy Now View Item

Spodumene var. Kunzite

$400

Stewart Mine, USA

This splendid off-matrix Spodumene crystal is the variety Kunzite named for George Frederick Kunz, gemmologist