Silicates

 

551 results

Chalcedony
$550
 Trevascus Mine, Cornwall
Chalcedony from Trevascus mine at Carnhell Green, between Camborne and Hayle in Cornwall is readily
Beryl var. Aquamarine with Albite var. Cleavelandite
$6,000
 Fano Mine, California
A well-formed gemmy crystal of Aquamarine Beryl to 2.4 cm nestles amongst intergrown rounded blades of white
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
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,
Topaz
$1,500
 Glen Cove, Colorado
The Pikes Peak area in Colorado is world famous for its Amazonite and smoky Quartz, but Topaz is not that
Pectolite
$1,250
 Millington Quarry, New Jersey
A splendid large miniature of Pectolite displaying an excellent botryoidal habit, with edges of the specimen
Chrysocolla after Azurite
$2,000
 Ray Mine, USA
A particularly fine rich turquoise-blue to minty-green miniature of intergrown prismatic crystals of Azurite
Wherryite with Diaboleite
$900
 Mammoth-St. Anthony Mine, USA
A superbly-rich miniature of the lead-copper sulphosilicate Wherryite and lead-copper halide Diaboleite from
Quartz
$400
 Ace of Diamonds Mine, New York
An asymmetric double terminated gemmy Quartz crystal from the famed Ace of Diamonds mine at Middleville in
Dioptase with Cerussite, Wulfenite and Mottramite
$750
 Mammoth-St. Anthony Mine, USA
Large areas of the creamy matrix are covered in a rich druse of sparkling bluish-green acicular Dioptase
Hemimorphite
$500
 Banner District, Arizona
Botryoidal powder blue Hemimorphite coats both sides of a flattened sandy coloured matrix from the Banner
Pargasite in Marble
$5,500
 Sungate Mine, Vietnam
Pargasite is a rare sodium-calcium-magnesium-aluminium silicate and in this show-stopping large cabinet
Quartz var. Amethyst with Prehnite, Epidote and Calcite
$3,500
 Goboboseb Mountains, Namibia
I have had the privilege of collecting in the spectacular landscape of the Goboboseb Mountains in Namibia but,
Vesuvianite
$4,000
 Jeffrey Mine, Québec
This small miniature Vesuvianite from Jeffrey mine at Asbestos in Québec, Canada, is a stunning example of the
Prehnite with Calcite
$3,000
 Goboboseb Mountains, Namibia
A well-developed ball of crystalline light mint-green Prehnite measuring to 3.6 cm displays with translucent
Topaz
$1,800
 Shigar Valley, Pakistan
A prize small cabinet specimen of a single lustrous gemmy crystal of Topaz from the Shigar Valley in northern
Orthoclase pseudomorph after Leucite
$800
 Kalehöyük, Kırşehir Province
The mineral occurrence at Kalehöyük in central Turkey is only known for two minerals, Leucite and Orthoclase,
Rhodonite with Galena
$650
 North Mine, Australia
The unusual combination of large glassy Rhodonite crystals embedded in Galena is unique to the mines at Broken
Serandite
$600
 Mont Saint-Hilaire, Québec
A classic salmon pink intergrown crystal of Serandite from the world famous Mont Saint-Hilaire quarry close to
Quartz var. Rose Quartz
$225
 Taquaral, Brazil
A solid cluster of bright rose-pink, slightly lilac, Rose Quartz from Taquaral in the Jequitinhonha Valley of
Beryl
$3,500
 Green Walking Stick deposit, Zimbabwe
The enigmatically named Green Walking Stick deposit lies to the east of Lake Kariba in northern
Beryl var. Heliodor
$650
 Stiepelmann Mine, Namibia
A well formed and terminated Beryl crystal, variety Heliodor, from the Klein Spitzkoppe (Spitzkopje) granite
Grossular (Garnet Group)
$850
 Jeffrey Mine, Canada
A delightful large thumbnail cluster of gemmy pinkish-apricot orange Grossular Garnets on a tiny and hidden
Dioptase
$1,200
 Tsumeb Mine, Namibia
The copper silicate Dioptase is certainly one of the most iconic species from the Tsumeb mine in Namibia. This
Beryl var. Heliodor
$9,500
 Volodarsk-Volynskii, Ukraine
The world-famous granite pegmatites of the Volodarsk-Volynskii mine in the Ukraine are most famous for their
Fluorapophyllite
$300
  Nashik Quarry, Maharashtra
Excellent sharp lustrous double and single terminated crystals of colourless to milky white Fluorapophyllite
Quartz var. Amethyst with Prehnite
$1,200
 Goboboseb Mountains, Namibia
A beautiful 8.3 x 2.5 x 1.6 cm transparent Quartz crystal with wispy purple Amethyst zones from the Goboboseb
Beryl var. Aquamarine
$3,000
 Marambaia, Minas Gerais
An unusual flattened hexagonal Beryl crystal of the variety Aquamarine from Marambaia in the Jequitinhonha
Axinite-(Fe) with Quartz
$900
 Obira mine, Japan
This great miniature of Axinite-(Fe) with Quartz is from the Obira mine in Oita Prefecture, Japan, a Miocene
Andradite Garnet
$600
 Sinerechenskoe skarn occurrence, Primorsky Krai
The Sinerechenskoe skarn occurrence in Primorsky Krai, Russia, lies towards the eastern most extremity of
Aurichalcite with Hemimorphite and Baryte
$150
 Golconda Mine, England
A fine miniature of delicate powder turquoise-green Aurichalcite forms a velvet textured druse of
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
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
Calcite with Dioptase inclusions
$7,500
 Tsumeb Mine, Namibia
These well-known specimens of Dioptase-included within translucent colourless to creamy rhombohedral Calcite
Dioptase
$150
 Tsumeb Mine, Namibia
A choice thumbnail displaying a single equant crystal of Dioptase on a small bed of millimetre-sized,
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
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
Topaz
$5,000
 Murzinka Mine, Urals Region
An off-matrix terminated Topaz crystal of bright cornflower-blue from the Murzinka mine in the Prigorodny
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,
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
Beryl var. Aquamarine
$900
 Gilgit District, Pakistan
This magnificently terminated Aquamarine prism is of a beautiful bright sky blue with a superb glassy and
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
Titanite
$700
 Untersulzbach Valley, Austria
A terrific cabinet specimen composed of lustrous glassy lime-green Titanite crystals scattered over a strongly
Beryl
$750
 Brazil, South America
A large, lustrous double terminated Aquamarine Beryl crystal of pastel cucumber green measuring 9.5 cm between
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
Spodumene
$900
 Konar Valley, Afghanistan
A gemmy yellowish lime green crystal of Spodumene displaying well-formed prism faces and naturally etched
Topaz
$600
 Nujiang Valley, China
A well-proportioned colourless gemmy crystal of Topaz measuring to 3.2 cm with excellent, perfectly defined
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