Silicates

 

516 results

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
Epidote with Actinolite var. Byssolite
$5,000
 Knappenwand, Austria
Just mention Knappenwand to any serious mineral collector and they will think Epidote.  This is one of
Potassium Feldspar
$250
 Zillertal, Austria
This really is an unusual and beautiful specimen of Adularia from the Zillertal Valley in the Tyrol, Austria.
Epidote with Adularia and Amphibole var. Byssolite
$200
 Knappenwand, Austria
A delicate thumbnail of interwoven, deep-lime to bottle-green Epidote crystals with tiny clusters of pure
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
Dioptase on Calcite
$1,200
 Tsumeb Mine, Namibia
As a connoisseur of Tsumeb material I can genuinely say this is a really terrific combination of Dioptase with
Chrysocolla ps. after Malachite ps. after Azurite
$1,800
 Tenke-Fungurume area, DR Congo
An excellent discovery of Chrysocolla replacing Malachite after Azurite and coated in Quartz, was made in 2019
Chrysocolla ps. after Malachite ps. after Azurite
$1,200
 Tenke-Fungurume area, DR Congo
An outstanding cabinet-size, double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite
$4,000
 Tenke-Fungurume area, DR Congo
A stunning and showy cabinet-size, double pseudomorph of intense sky-blue Chrysocolla replacing Malachite
Chrysocolla ps. after Malachite ps. after Azurite
$2,500
 Tenke-Fungurume area, DR Congo
An unusual double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in
Elbaite Tourmaline with Lepidolite
$750
 Coronel Murta, Minas Gerais
This delightful 3.4 cm tall cluster of parallel Elbaite Tourmaline crystals is from a new gem pocket found in
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,
Elbaite Tourmaline with Quartz and Lepidolite
$400
 Coronel Murta, Minas Gerais
This 2.2 cm tall Elbaite Tourmaline crystal is from a new gem pocket found in the Coronel Murta district of
Chrysocolla ps. after Malachite ps. after Azurite
$400
 Tenke-Fungurume area, DR Congo
Bladed and stalagmitic habits of Chrysocolla pseudomorphing after Malachite, itself pseudomorphing after
Chrysocolla ps. after Malachite ps. after Azurite
$600
 Tenke-Fungurume area, DR Congo
From the Tenke-Fungurume area of the Kolwezi mining district in the Democratic Republic of the Congo, this
Albite var. Pericline
$250
 Pfitsch Pass, Austria
Pericline is a variety of Albite feldspar which occurs as elongated milky-white crystals, extended on their
Smoky Quartz on Feldspar with Schorl and Muscovite
$2,500
 Minas Gerais, Brazil
This beautiful and elegant combination of Smoky Quartz, Feldspar, Schorl and Muscovite, all set on a
Axinite-(Fe) with Quartz
$2,000
 Obira mine, Japan
The Obira mine is situated on the southern Japanese island of Kyushu in Oita Prefecture and worked Cu-Zn-As-Sn
Ilvaite with Pyrite
$1,500
 Rio Marina, Italy
Ilvaite is an iron-calcium sorosilicate whose type locality is at the very north-eastern tip of the Italian
Epidote with Quartz
$2,500
 Green Monster Mountain, USA
In the process of cataloguing the mineral collection of Dr Josef Clemente (1899-1987), there is no doubting he
Hemimorphite
$1,400
 Sa Duchessa Mine, Italy
I have to admit of all the worldwide localities for fine blue Hemimorphite, the Sa Duchessa mine at Oridda on
Epidote with Quartz
$2,000
 Green Monster Mountain, USA
If on first sight you don’t exclaim Wow! to this monster Epidote, then you have become immune to the charms of
Dioptase with Wulfenite
$2,500
 Tsumeb Mine, Namibia
Although the lead molybdate Wulfenite is common throughout the Tsumeb orebody, its occurrence with Dioptase in
Epidote with Quartz
$3,200
 Green Monster Mountain, USA
It is apparent that Dr Josef Clemente had a great fondness for the magnificently crystallised Epidote from the
Epidote
$5,000
 Green Monster Mountain, USA
This exquisite miniature Epidote from Green Monster Mountain on Prince of Wales Island in Alaska, USA, is of
Epidote
$1,500
 Green Monster Mountain, USA
The Green Monster Mountain locality on Prince of Wales Island in Alaska, USA, has over twenty recorded mineral
Eulytine
$2,500
 Schneeberg, Saxony
The rare bismuth silicate Eulytine forms orange-brown, often sub-botryoidal crystals with a glossy resinous
Diopside
$1,250
 Slyudyanka (Sludyanka), Eastern-Siberian Region
The mineralisation at Slyudyanka, in the Lake Baikal Area of Eastern-Siberia, Russia, is quite remarkable in