Silicates

 

504 results

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
Chrysocolla ps. after Malachite ps. after Azurite
$350
 Tenke-Fungurume area, DR Congo
This beautiful and interesting Chrysocolla is a pseudomorph after Malachite which is itself a pseudomorph
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
Goethite on Quartz with Microcline
$300
 Lake George Area, USA
This is one of those one-off, unusual quirky specimens which makes you smile simply because it is that bit
Epidote with Quartz
$2,500
 Green Monster Mountain, USA
Think Green Monster Mountain, think Epidote!  This classic locality on Prince of Wales Island in Alaska,
Fluorapophyllite-(K)
$3,000
 St. Andreasberg, Germany
Well formed crystals of Fluorapophyllite were scarce even when mining was at its peak in the silver mining
Pyrosmalite-(Fe)
$500
 Haborshytte ore field, Sweden
Pyrosmalite-(Fe) is an extremely rare complex iron silicate which forms buff to golden-honey hexagonal
Microcline var. Hyalophane
$400
 Zagradski Potok Mine, Federation of Bosnia and Herzegovina
Hyalophane is the glassy transparent variety of Microcline Feldspar and this beautiful example is from the
Magnetite with Fluorapatite and Tremolite
$800
 Malmberget, Sweden
A delightful combination of well crystallised black lustrous Magnetite and buff to gooseberry-green
Arsenopyrite with Quartz, Siderite and Muscovite
$750
 Yaogangxian Mine, China
Wow!  This super-cute Arsenopyrite with Quartz certainly jumps out at me as a real eye-catcher, a
Cassiterite with Quartz and Zinnwaldite
$700
 Cínovec/Zinnwald, Saxony & Ústí Region (Bohemia)
For me, Cassiterite crystals always add a pang of excitement to a specimen, but perhaps I need to get out more
Cavansite
$100
 Wagholi Quarries, Maharashtra
A beautiful and cute rosette of the rare calcium-vanadium silicate Cavansite measuring 1.5 x 1.0 x 0.5 cm,
Apophyllite
$450
 Samson Mine, Germany
The Samson mine, 0.5 km north-west of St. Andreasberg, in Lower Saxony, Germany, was a famous silver mine
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$6,500
 Tenke-Fungurume area, DR Congo
Pseudomorphs of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in Quartz form an
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$5,000
 Tenke-Fungurume area, DR Congo
An arresting large miniature double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,000
 Tenke-Fungurume area, DR Congo
A spear-shaped double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
This fine sculptural pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and coated in
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,500
 Tenke-Fungurume area, DR Congo
A small cabinet specimen of vivid sky-blue Chrysocolla overlaying dark emerald-green Quartz-encrusted
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,300
 Tenke-Fungurume area, DR Congo
A fabulous pair of broad, V-shaped crystals composed from double pseudomorphs of intense sky-blue Chrysocolla
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,200
 Tenke-Fungurume area, DR Congo
Two prominent and one smaller crystal form an unusual double pseudomorph of intense sky-blue Chrysocolla
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$7,500
 Tenke-Fungurume area, DR Congo
This museum-grade double pseudomorph of vivid sky-blue Chrysocolla replacing Malachite after Azurite and
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$2,000
 Tenke-Fungurume area, DR Congo
A delicate open cluster of double pseudomorphs of creamy duck egg blue Chrysocolla replacing Malachite after
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
This striking double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated
Chrysocolla ps. after Malachite ps. after Azurite with Quartz
$1,750
 Tenke-Fungurume area, DR Congo
A double pseudomorph of intense sky-blue Chrysocolla replacing Malachite after Azurite and coated in