Silicates

620 results

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Beryl var. Heliodor

$4,000

Volodarsk-Volynskii Pegmatite District, Ukraine

A fine gemmy and delicately tinted lime to apple green crystal of Heliodor, a gem variety of Beryl, from the

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Helvine

$750

St. Richard Mine (Friedefürst Mine), Saxony

Helvine, a rare beryllium manganese silicate, forms sharp buttery lemon yellow tetrahedral crystals richly

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Eulytine

$400

Schneeberg District, Germany

Sparkling micro-crystals of the bismuth silicate Eulytine form a pervasive druse along with scattered single

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Prehnite

$600

Rauschermühle Quarry, Rhineland-Palatinate

An excellent specimen of smoky olive to creamy apple green Prehnite with rhombohedral white to pale apricot

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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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Potassium Feldspar var. Adularia with Chlorite

$350

Felber valley, Salzburg

A quite delightful, perfect Adularia crystal with smaller attached crystals to its sides and completely

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Axinite with Quartz and Epidote

$4,000

Bourg d'Oisans, France

A stunning Alpine-type specimen of deep clove-brown Axinite crystals, intermingled and overlaying glassy

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Epidote

$3,500

Bourg d'Oisans, France

A fine, rich and lustrous large cabinet specimen of prismatic Epidote crystals varying from pistachio to dark

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Garnet (Andradite / Grossular)

$450

Shap Blue Quarry, Cumbria

Specimens of Garnet from the Shap Blue quarry at Shap in Cumbria are a sought after addition to any collection

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Andradite with Calcite

$950

Ocna De Fier, Romania

An excellent miniature of well-formed Andradite Garnet crystals measuring to 1.2 cm, displaying the

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Epidote

$700

Kimmeria, East Macedonia and Thrace

An elegant cluster of well developed, deep leaf-green Epidote crystals from the molybdenite skarn deposit at

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Diopside and Magnetite and Clinochlore

$300

Nordmark Odal Field (Nordmarksberg), Sweden

A saddle-shaped, V-section, greenish metamorphic matrix, similar to a tight recumbent fold, is encrusted on

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Topaz

$1,000

Schneckenstein Cliff, Germany

A charming miniature of a delicate lemon yellow Topaz crystal from the classic German locality of

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Hemimorphite on Baryte

$125

50 fm Flats, England

Golconda mine, west of Wirksworth in Derbyshire, produced both lead and barium in its heyday. Local

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Agrellite

$150

Kipawa alkaline complex, Canada

This cleaved long block of the rare silicate Agrellite is from its type locality in the Kipawa alkaline

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Titanite

$450

Tujetsch, Switzerland

This impressive small cabinet specimen is richly adorned by many golden yellow Titanite crystals from the

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Microcline var. Hyalophane

$3,500

Busovača, Central Bosnia Canton

Hyalophane is a clear and colourless variety of Microcline Feldspar, deriving its name from the Greek meaning

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Tausonite with Lamprophyllite and Aegirine

$200

Murunskii Massif, Russia

I have to be honest and say, if this specimen were entering a Beauty and the Beast contest, it would sit more

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Diopside

$750

Fargon Meeru, Badakhshan

The dense white marble at Fargon Meeru in the Koksha Valley of Afghanistan is host to excellent Diopside,

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Wiluite

$1,000

Vilyui River Basin, Russia

A superb and seldom encountered specimen of the complex silicate Wiluite from one of its two co-type

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Topaz on Orthoclase Feldspar

$8,500

Murzinka Mine, Urals Region

A rare and stunning specimen of pale blue Topaz crystals on a terminated Orthoclase crystal from the Murzinka

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Titanite with Rutile, Actinolite and K Feldspar var. Adularia

$4,500

Teufelsmühle, Salzburg

The mindat page shows an excellent photo by Günter Grundmann of the Teufelsmühle and to put it mildly, it

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Ilvaite

$2,500

Rio Marina, Italy

Ilvaite is a calcium-iron silicate and this superb crystal is from its type locality at Rio Marina on the Isle

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Arfvedsonite

$800

Arfvedsonite

Very lustrous, jet-black striated crystals of Arfvedsonite measuring to 3.5 cm sit between contrasting

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Danburite

$1,500

Charcas, San Luis Potosí

Danburite, a calcium boron silicate, forms crystals of world-class quality at Charcas in the Mexican state of

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Fluoro-richterite

$900

Gibson Road East occurrence, Canada

Fluoro-richterite is a rare sodium-calcium amphibole containing magnesium and fluorine and this magnificent

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Sabinaite with Siderite, Analcime and Aegirine

$450

Mont Saint-Hilaire, Québec

A small and fine cabinet specimen of Sabinaite with Siderite, Analcime and Aegirine on a matrix of snow-white

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Amphibole var. Uralite (Actinolite ps. after Diopside)

$200

Calumet Mine, Colorado

Uralite, named for the Urals Region of Russia, is the name given to pseudomorphs of the Amphibole Group and

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Microcline on Fluoro-richterite

$2,000

Gibson Road East occurrence, Canada

Fluoro-richterite is a rare sodium-calcium amphibole containing magnesium and fluorine and is found at what is

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Lemoynite

$450

Mont Saint-Hilaire, Québec

This well crystallised large miniature Lemoynite is from one of the world’s most iconic mineral localities,

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Beryl var. Emerald

$2,500

Habach Valley, Austria

The beautiful and spectacular Habach Valley in the Salzburg State of Austria is highly mineralised along its

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Zircon

$450

Storjordtind, Norway

Seiland Island is almost at the very northern extremity of Norway and is host to over twenty mineral

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Phenakite

$1,750

Tangen Feldspar Mine, Norway

The Tangen Feldspar mine is situated on the southern Norwegian coast at Kragerø in Vestfold og Telemark.

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Hedenbergite

$1,500

Nordmark Odal Field (Nordmarksberg), Sweden

The Nordmark Odal Field in Filipstad, Värmland, Sweden, is one of those remarkable, relatively small

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Andradite Garnet

$150

Findel glacier area, Switzerland

If you like members of the Garnet Group you will love this adorably cute cluster of acidic yellow Andradite

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Arsenopyrite with Muscovite, Siderite and Ferberite

$150

Panasqueira Mine, Portugal

This terrific cabinet Arsenopyrite with Muscovite, Siderite and Ferberite is a delightful and well-priced

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Talc var. Steatite

$130

Cook's Kitchen Mine, Cornwall

This small miniature of Steatite, a massive variety of Talc, is from Cook's Kitchen mine, at Pool, west of

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Albite

$300

Lanterdan Quarry, England

What appears to be a floater, creamy white Albite Feldspar crystals entirely cover a chloritised slaty matrix

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Elbaite Tourmaline with Albite

$400

Coronel Murta, Minas Gerais

A different looking Elbaite Tourmaline from a new gem pocket in the Coronel Murta district of Minas Gerais,

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Inesite

$750

N'Chwaning II Mine, South Africa

A small miniature group of burnt rusty-orange Inesite crystals from the N'Chwaning II mine, at Kuruman in the

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Wulfenite with Dioptase

$300

Mammoth-St. Anthony Mine, USA

A terrific small cabinet specimen of Wulfenite and Dioptase from Mammoth-Saint Anthony mine at Tiger in Pinal

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Rhodonite with Franklinite in Calcite

$3,500

Franklin, USA

Three intergrown crystals of Rhodonite dominate this cabinet specimen from the Franklin Mining District in New

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Astrophyllite

$750

Khibiny Massif, Northern Region

Astrophyllite is a rare hydrous potassium iron titanium silicate which in this small cabinet specimen forms

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Andradite Garnet with Hedenbergite

$500

Serifos Island, Aegean Islands

The Greek island of Serifos sits in the South Aegean and is famous for its skarn mineralisation and excellent

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Quartz with Calcite and Albite

$300

Schmirn, Austria

Two thick-set tabular crystals of transparent to colourless Albite Feldspar perch between colourless Quartz

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Chalcedony on Quartz

$800

Wheal Drea, England

Wheal Drea, part of the Wheal Owls group, lies close to the high cliff tops of the Atlantic coast in south

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Cronstedtite

$1,000

Wheal Jane, England

Cronstedtite, a complex iron silicate, is one of the classic minerals associated with Wheal Jane at Baldhu,

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Dioptase on Calcite

$2,750

Tsumeb Mine, Namibia

A most unusual small cabinet specimen of well-formed colourless Calcite crystals dusted with a preferential