Silicates

508 results

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,300

Tenke-Fungurume area, DR Congo

A fabulous pair of broad, V-shaped crystals composed from double pseudomorphs of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,200

Tenke-Fungurume area, DR Congo

Two prominent and one smaller crystal form an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$7,500

Tenke-Fungurume area, DR Congo

This museum-grade double pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$2,000

Tenke-Fungurume area, DR Congo

A delicate open cluster of double pseudomorphs of creamy duck egg blue Chrysocolla replacing Malachite after

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

This striking double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

Two former tabular Azurite crystals, now pseudomorphed to Chrysocolla via an intermediate stage of Malachite,

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,800

Tenke-Fungurume area, DR Congo

A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,800

Tenke-Fungurume area, DR Congo

This extraordinary column-like miniature is an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,750

Tenke-Fungurume area, DR Congo

An unusual double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,200

Tenke-Fungurume area, DR Congo

This impressive miniature of towering Tolkienesque mountains is composed from unusual double pseudomorphs of

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,500

Tenke-Fungurume area, DR Congo

This spear-shaped small miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$2,700

Tenke-Fungurume area, DR Congo

This jagged architectural miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$3,000

Tenke-Fungurume area, DR Congo

This excellent miniature features an unusual double pseudomorph of intense sky-blue Chrysocolla replacing

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

A beautiful small miniature featuring an unusual double pseudomorph of intense sky-blue Chrysocolla replacing

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$700

Tenke-Fungurume area, DR Congo

Several tabular former Azurite crystals form a splayed cluster, which have subsequently pseudomorphed to

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$300

Tenke-Fungurume area, DR Congo

An unusually structured small miniature of Chrysocolla replacing Malachite pseudomorphed after Azurite and

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

What appears to be three parallel vertical former Azurite crystals, are vertically aligned and sandwiched

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$1,100

Tenke-Fungurume area, DR Congo

Two parallel vertical former Azurite crystals, approximately 4 and 3.5 cm tall, have undergone two phases of

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$900

Tenke-Fungurume area, DR Congo

From a recent find in the Democratic Republic of the Congo (DRC), an interesting double pseudomorph of

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$600

Tenke-Fungurume area, DR Congo

This double pseudomorph of Chrysocolla replacing Malachite after Azurite is a particularly good example in

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$600

Tenke-Fungurume area, DR Congo

Seven tabular former Azurite crystals form a sub-vertical cluster which have subsequently pseudomorphed to

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Chrysocolla ps. after Malachite ps. after Azurite with Quartz

$800

Tenke-Fungurume area, DR Congo

From a recent find in the Democratic Republic of the Congo (DRC), a fascinating double pseudomorph of

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Andradite var. Demantoid

$4,500

Antetezambato Demantoid - Topazolite Mine, Anstriranana

A gorgeously formed lustrous ribbon of intergrown gemmy-translucent green Demantoid crystals measuring overall

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Titanite on Adularia with Chlorite

$350

Medel Gorge, Grischun

This fabulous combination of Titanite on Adularia coated with Chlorite is such a characteristic Alpine

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Cadmium-rich Willemite

$500

Tsumeb Mine, Namibia

Although Willemite is common throughout the mine at Tsumeb in Namibia, it usually occurs as blue and

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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

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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

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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

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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

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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

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Topaz variety Imperial

$750

Ouro Preto, Minas Gerais

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

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Willemite

$900

Franklin Mining District, New Jersey

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

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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

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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

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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

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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

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Hedenbergite

$3,500

North Mine, Australia

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

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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

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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

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Andradite Garnet with Amphibole

$950

Malenco Valley, Italy

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

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Bustamite

$600

North Mine, New South Wales

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

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Diopside with Graphite

$700

Merelani Hills, Tanzania

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

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Vesuvianite

$4,500

Jeffrey Mine, Canada

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

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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

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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

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Grossular Garnet

$750

Cofre de Perote, Veracruz

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

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Chrysocolla

$50

Moon's Hill Quarry, Somerset

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