Silicates

 

370 results

Cassiterite with Topaz and Hübnerite
$500
 Horni Slavkov (Schlaggenwald), Czech Republic
A beautiful small miniature of Cassiterite with Topaz and Hübnerite from Horní Slavkov in the Karlovy Vary
Malachite with Chrysocolla
$750
 Wheal Phoenix, England
Mammillary druses of Malachite form gently curved mounds over the Quartz crystal covered surface of a Quartz
Orthoclase
$400
 Schneckenstein Cliff, Germany
Unusual for this locality, a Carlsbad interpenetrant Orthoclase twin from the classic Schneckenstein Cliff at
Epidote
$700
 Kimmeria, East Macedonia and Thrace
An elegant cluster of well developed, deep leafy-green Epidote crystals from Kimmeria in Xanthi Prefecture,
Quartz var. Amethyst on Danburite
$200
 Charcas, San Luis Potosí
About six small and stubby, double terminated crystals of pale lavender Amethyst, the purple variety of
Neptunite
$250
 Benitoite Gem Mine, California
A perfectly terminated jet-black Neptunite crystal measuring 1.8 x 0.5 x 0.5 cm, partly embedded in a small
Axinite-(Fe)
$500
 Puiva (Pouyva) Mount, Russia
A beautiful undamaged floater of a double terminated Axinite-(Fe) crystal which grades from transparent
Titanite
$1,750
 Höllgraben, Salzburg
Citrus limey-apple-green crystals of Titanite are scattered across the surface of a complex, fine-granular
Titanite with Adularia and Chlorite
$1,750
 Gösleswand, Tyrol
A beautiful, ex-matrix, small miniature composed of a 2.8 cm long double terminated Titanite crystal emerging
Forsterite
$1,500
 Monte Somma, Campania
A remarkably interesting specimen of creamy-tan Forsterite from its type locality of Monte Somma, the present
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
Spessartine with Scheelite and Muscovite
$1,400
 San Piero in Campo, Tuscany
A splendid specimen composed of pale\ apricot-orange Spessartine garnet crystals overgrowing a rich  bed
Cronstedtite
$1,000
 Wheal Jane, England
Cronstedtite, a complex iron silicate, is one of the classic minerals forever associated with Wheal Jane at
Beryl var. Heliodor
$650
 Stiepelmann Mine, Namibia
A well formed and terminated Beryl crystal, variety Heliodor, from the Klein Spitzkoppe (Spitzkopje) granite
Topaz
$500
 Klein Spitzkopje Granite Stock, Namibia
An almost completely gemmy, water-clear Topaz crystal from the Klein Spitzkopje granite stock in the Erongo
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
Topaz
$450
 Klein Spitzkopje Granite Stock, Namibia
A superb, almost completely water-clear gemmy colourless crystal, beautifully terminated and with a perfect
Epidote
$450
 Arandis, Namibia
Excellent deep bottle-green crystals of Epidote to 3 cm tall stand on a small plate of Quartz matrix from the
Andradite var. Demantoid (Garnet Group)
$900
 Antetezambato Demantoid-Topazolite Mine, Antsiranana Province
A splendid group of spring leaf-green Andradite garnet crystals, variety Demantoid, in a matrix of
Smithsonite
$600
 Lavrion District Mines, Greece
A most attractive botryoidal mound of pale sky to duck egg-blue Smithsonite with a beautiful smooth and silky
Aurichalcite with Hemimorphite and Baryte
$400
 Western Flats, Derbyshire
A fine example of well crystallised turquoise-green Aurichalcite forming rich druses lining and coating a
Dioptase
$2,600
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A beautiful example of the copper silicate mineral Dioptase from Tsumeb, here occurring as individual and
Dioptase
$850
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Dioptase, the deep emerald-green copper silicate, is a Tsumeb classic and has become, perhaps, the mine’s most
Willemite
$1,000
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A choice, large miniature of well crystallised Willemite forming rich light aquamarine druses over the deep
Spessartine Garnet in Galena
$7,500
 North Mine, New South Wales
Spessartine Garnet in Galena is one of the most readily recognisable specimens from the world-famous mines at
Opal in matrix
$1,500
 Queensland, Australia
Opal is probably the mineral synonymous with Australia.  This splendid example is set in a limestone
Bustamite
$950
 North Mine, New South Wales
Two translucent clove-burnt-orange Bustamite crystals forming a V-shaped specimen from North Mine at Broken
Bannisterite
$2,500
 Zinc Corporation Mine, Australia
Bannisterite is a black mica-like mineral and a rare phyllosilicate.  A 5.0 x 3.0+ cm area of platy
Apophyllite
$450
 Broken Hill, Australia
Apophyllite occurs at Broken Hill as very fine crystals and this is an excellent example.  Colourless
Plancheite
$750
 M’Seal, Democratic Republic of the Congo
From the classic Mashamba West Mine in the Kolwezi mining district, Democratic Republic of Congo (formerly
Hedenbergite
$500
 Malmberget, Sweden
A group of fine Hedenbergite crystals from Malmberget in Norrbotten County, Sweden, set in an unusual very
Topaz
$450
 Volodarsk-Volynskii, Ukraine
This ex-matrix, complexly developed Topaz crystal is from the classic Volodarsk-Volynskii granitic chamber
Pyroxene
$3,000
 Nordmark Odal Field (Nordmarksberg), Sweden
An stunning specimen of highly lustrous Pyroxene crystals which range from perfectly developed equant crystals
Andradite (Garnet Group)
$300
 Dognecea, Romania
A highly unusual specimen of Andradite garnet in the habit of two thick ribbons which branch from a common
Andradite on Chalcopyrite
$400
 Dognecea, Romania
Lovely caramel brown rhombododecahedral lustrous andradites measuring up to 1 cm on matt black tetragonal
Epidote on Orthoclase
$150
 Epprechtstein, Germany
An impressive 4.6 cm long opaque, creamy crystal of Orthoclase feldspar with small Orthoclase crystals
Nasonite in Datolite and Goethite
$300
 Torr Works Quarry, England
Nasonite is one of the Holy Grails from the rare oxychloride suite occasionally found in Torr Works quarry at
Kaolinite pseudomorphing after Orthoclase
$400
 Melbur China Clay Pit, England
Colloquially referred to as a “Pig’s Egg” by miners, Kaolinite pseudomorphs after Orthoclase feldspar were
Willemite
$750
 Tsumeb Mine, Namibia
An elongated plate of cream to pale creamy-tan Willemite made-up entirely of crystals of between 2 and 5
Dioptase on Calcite with Duftite
$2,000
 Tsumeb Mine, Namibia
An exceedingly choice miniature of rhombohedral Calcite crystals preferentially coated with micro Calcite
Dioptase on Dolomite
$1,500
 Tsumeb Mine, Namibia
A thin Calcite plate (epimorph cast) completely masked by 1 mm and sub-mm slightly bluish-emerald-green
Titanite with Orthoclase variety Adularia
$750
 Tormiq Valley, Pakistan
An interesting and aesthetic cluster of terminated Titanite crystals sat on a small matrix of opaque,
Calcite with Stilbite on Chalcedony
$6,000
 Jalgaon, India
A stunning and remarkable gemmy Calcite twin crystal from the Jalgaon District in Maharashtra, India. 
Beryl var. Aquamarine
$500
 Gilgit District, Pakistan
A single, off-matrix Beryl crystal, variety Aquamarine, from the Gilgit District in Pakistan.  The
Hubeite with Quartz, Pyrite and Calcite
$5,000
 Fengjiashan Mine (Daye copper mine), Hubei Province
Hubeite is a rare Ca-Mn-Fe sorosilicate and was only named in 2001 after Hubei Province in China.  This
Axinite
$6,000
 Obira mine, Japan
Axinite is not a common mineral in Japan, but the Obira mine by Bungo-Ono City in Kyushu Region certainly
Beryl var. Aquamarine
$1,000
 Chumar Bakhoor, Pakistan
A transparent, pale sky-blue crystal of Aquamarine, the blue variety of Beryl.  This ex-matrix specimen
Forsterite
$600
 Sapat Gali, Pakistan
A terminated stubby lime-green Forsterite forming a spear-shaped crystal from Sapat Gali by Naran in the