Silicates

 

526 results

Calcite with Quartz and Albite
$300
 Twll Maen Grisial, UK
This lovely example of Welsh, Alpine-style mineralisation comprises of Calcite with Quartz and Albite from
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
Grossular Garnet var. Hessonite
$450
 Jeffrey Mine, Canada
A great miniature group of intergrown Grossular Garnet crystals of the variety Hessonite, from Jeffrey mine at
Beryl
$750
 Brazil, South America
A large, lustrous double terminated Aquamarine Beryl crystal of pastel cucumber green measuring 9.5 cm between
Euclase
$500
 Alto do Giz pegmatite, Rio Grande do Norte
Colourless Euclase crystals, each containing a pale indigo blue phantom within the apex of the termination,
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
Beryl Var. Morganite
$950
 Blue Lady Mine, California
A 4.2 x 2.8 x 2.0 cm prismatic hexagonal crystal of Morganite, the pink variety of Beryl, from the Blue Lady
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
Orthoclase var. Adularia
$750
 Tujetsch, Switzerland
An impressive sheave of solid crystallised Adularia, a low-temperature variety of Orthoclase Feldspar, from
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
Orthoclase
$400
 Baveno, Italy
A pleasing prismatic bicoloured single twinned crystal of Orthoclase measuring to 5.2 cm from Baveno in
Epidote
$400
 Kimmeria, East Macedonia and Thrace
A terrific small group of Epidote crystals which grade from dark green at their base to a light
Kaolinite pseudomorphing after Orthoclase
$400
 Melbur China Clay Pit, England
Colloquially known as a “Pig’s Egg” by miners and collectors alike, Kaolinite pseudomorphs after Orthoclase
Dioptase
$1,500
 Tsumeb Mine, Namibia
Bright emerald green Dioptase crystals up to 0.9 cm long richly coat the top surface of a Calcite matrix whose
Andradite var. Demantoid (Garnet)
$1,500
 Antetezambato Demantoid-Topazolite Mine, Antsiranana Province
The Antetezambato mine, also known as the Antetezambato Demantoid-Topazolite mine, is located in the far
Inesite with Calcite
$1,000
 Wessels Mine, South Africa
A most attractive specimen of apricot orange Inesite crystals and crystalline botryoidal developments are
Willemite var. Troostite
$450
 Tsumeb Mine, Namibia
Troostite is a red-brown variety of Willemite which was found throughout most parts of the orebody at
Willemite
$350
 Tsumeb Mine, Namibia
The zinc silicate Willemite was first encountered in the early years of mining at Tsumeb being found in the
Dioptase with Duftite on Calcite
$450
 Tsumeb Mine, Namibia
Dioptase crystals of deep emerald green richly coat a bed of small rhombohedral Calcite crystals, some of
Quartz var. Chalcedony
$750
 Trevascus Mine, Cornwall
The Trevascus mine lies towards the south west of Camborne, almost halfway along the railway line to
Elbaite Tourmaline with Quartz
$5,000
 Coronel Murta, Minas Gerais
Two highly flattened Elbaite Tourmaline crystals are developed in parallel growth and melded along their
Quartz var. Gwindel
$8,000
 Dodo Mine, Russia
This is one of those specimens for which you cannot really avoid shouting “Wow!”.  It’s a quite amazing
Schorl Tourmaline
$1,500
 Davib Ost Farm 61, Namibia
This spectacular jet black Schorl Tourmaline measures 20.2 cm long, formed from stacked sub-parallel Schorl
Topaz
$2,000
 Volodarsk-Volynskii, Ukraine
Topaz, an aluminium-fluorine silicate, is well known for forming magnificently large and impressive crystals,
Uvarovite Garnet
$950
 Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region
This miniature is a great example of Uvarovite Garnet from the copper-zinc-cobalt mines in the Outokumpu
Apophyllite
$150
 St. Andreasberg, Germany
Apophyllite from the historic silver mining area of St. Andreasberg in Lower Saxony, Germany, is one of those
Chrome Dravite Tourmaline
$800
 Nadonjukin, Manyara Region
A fine part-gemmy rich chrome green pair of Chrome Dravite crystals measuring to 3.3 cm tall, with adjacent
Schorl Tourmaline
$250
 Tubussis Farm 22, Namibia
Schorl, the black iron iron-rich member of the Tourmaline Group, famously forms fabulous crystals at many
Quartz var. Amethyst on Danburite
$400
 Charcas, San Luis Potosí
This small miniature / large thumbnail is a terrific combination of a double terminated stubby crystal of
Scheelite on Zinnwaldite
$450
 Cínovec / Zinnwald, Saxony & Ústí Region
An excellent miniature displaying a dense cluster of sharply formed Scheelite crystals set in a matrix of
Axinite-(Fe)
$500
 Puiva Mount, Western-Siberia
The polymetallic ore deposit at Puiva Mount in Western-Siberia, Russia, is host to over 50 mineral species and
Dioptase on Quartz
$4,500
 Mindouli District, Pool Department
Copper mineralisation occurs along a 3 km escarpment close to the village of Mindouli in the Pool Department
Topaz
$450
 Klein Spitzkopje Granite Stock, Namibia
The Klein Spitzkopje in the Erongo Region of Namibia is a spectacular isolated granite stock (an inselberg),
Smoky Quartz var. Gwindel with Adularia
$5,000
 Giuv Valley, Switzerland
This fabulous plate of Alpine minerals is from the Giuv Valley in Grischun, Switzerland, an area of high