Silicates

 

598 results

Dioptase on Calcite
$3,000
 Tsumeb Mine, Namibia
This excellent example of bright emerald green Dioptase crystals on white Calcite is from the world famous
Ephesite
$2,000
 Postmasburg Manganese Field, South Africa
A superbly rich, small cabinet specimen of the rare mica silicate Ephesite from the Postmasburg Manganese
Zirkelite with Phlogopite, Fluorapatite and Diopside
$250
 Palabora Mine, South Africa
Although the Palabora mine in Limpopo Province, South Africa, is one of Africa’s most famous mines, few
Arfvedsonite
$800
  Arfvedsonite
Very lustrous, jet-black striated crystals of Arfvedsonite measuring to 3.5 cm sit between contrasting
Danburite
$1,500
 Charcas, San Luis Potosí
Danburite, a calcium boron silicate, forms crystals of world-class quality at Charcas in the Mexican state of
Fluoro-richterite
$900
 Gibson Road East occurrence, Canada
Fluoro-richterite is a rare sodium-calcium amphibole containing magnesium and fluorine and this magnificent
Sabinaite with Siderite, Analcime and Aegirine
$450
 Mont Saint-Hilaire, Québec
A small and fine cabinet specimen of Sabinaite with Siderite, Analcime and Aegirine on a matrix of snow-white
Amphibole var. Uralite (Actinolite ps. after Diopside)
$200
 Calumet Mine, Colorado
Uralite, named for the Urals Region of Russia, is the name given to pseudomorphs of the Amphibole Group and
Microcline on Fluoro-richterite
$2,000
 Gibson Road East occurrence, Canada
Fluoro-richterite is a rare sodium-calcium amphibole containing magnesium and fluorine and is found at what is
Lemoynite
$450
 Mont Saint-Hilaire, Québec
This well crystallised large miniature Lemoynite is from one of the world’s most iconic mineral localities,
Diopside
$450
 Seiland Island, Norway
Seiland Island is almost at the very northern extremity of Norway and is host to over twenty mineral
Beryl var. Emerald
$2,500
 Habach Valley, Austria
The beautiful and spectacular Habach Valley in the Salzburg State of Austria is highly mineralised along its
Zircon
$450
 Storjordtind, Norway
Seiland Island is almost at the very northern extremity of Norway and is host to over twenty mineral
Phenakite
$1,750
 Tangen Feldspar Mine, Norway
The Tangen Feldspar mine is situated on the southern Norwegian coast at Kragerø in Vestfold og Telemark. 
Hedenbergite
$1,500
 Nordmark Odal Field (Nordmarksberg), Sweden
The Nordmark Odal Field in Filipstad, Värmland, Sweden, is one of those remarkable, relatively small
Gadolinite-(Y)
$250
 Høydalen (Høydalen Seter), Norway
A single crystal of Gadolinite-(Y) from one of the two Microcline pegmatite quarries at Høydalen in the
Andradite Garnet
$150
 Findel glacier area, Switzerland
If you like members of the Garnet Group you will love this adorably cute cluster of acidic yellow Andradite
Arsenopyrite with Muscovite, Siderite and Ferberite
$150
 Panasqueira Mine, Portugal
This terrific cabinet Arsenopyrite with Muscovite, Siderite and Ferberite is a delightful and well-priced
Forsterite with Humite
$350
 Monte Somma, Campania
Monte Somma, part of the Somma-Vesuvius Complex near Naples in Italy, is type locality to Forsterite and
Talc var. Steatite
$130
 Cook's Kitchen Mine, Cornwall
This small miniature of Steatite, a massive variety of Talc, is from Cook's Kitchen mine, at Pool, west of
Albite
$300
 Lanterdan Quarry, England
What appears to be a floater, creamy white Albite Feldspar crystals entirely cover a chloritised slaty matrix
Schorl Tourmaline
$400
 Woolley Farm, England
An intergrown group of opaque, lustrous jet-black Schorl Tourmaline crystals to 2.5 cm from the classic
Quartz with Hematite
$650
 Frizington, England
A super example of equant, well developed and glassy, double-terminated Quartz crystals containing included
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,
Kaolinite pseudomorph after Orthoclase
$900
 Goonbarrow China Clay Pit, England
The superb Kaolinite pseudomorphs after Orthoclase Feldspar found in many of Cornwall’s China clay pits (CCPs)
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
Andradite var. Demantoid (Garnet Group)
$900
 Antetezambato Demantoid-Topazolite Mine, Antsiranana Province
A splendid group of zingy, spring leaf-green Andradite Garnet crystals, variety Demantoid, in a matrix of
Wulfenite with Dioptase
$300
 Mammoth-St. Anthony Mine, USA
A terrific small cabinet specimen of Wulfenite and Dioptase from Mammoth-Saint Anthony mine at Tiger in Pinal
Rhodonite with Franklinite in Calcite
$3,500
 Franklin, USA
Three intergrown crystals of Rhodonite dominate this cabinet specimen from the Franklin Mining District in New
Astrophyllite
$750
 Khibiny Massif, Northern Region
Astrophyllite is a rare hydrous potassium iron titanium silicate which in this small cabinet specimen forms
Andradite Garnet with Hedenbergite
$500
 Serifos Island, Aegean Islands
The Greek island of Serifos sits in the South Aegean and is famous for its skarn mineralisation and excellent
Quartz with Calcite and Albite
$300
 Schmirn, Austria
Two thick-set tabular crystals of transparent to colourless Albite Feldspar perch between colourless Quartz
Calcite var. Paper Calcite with Pyrite on Quartz with Chlorite inclusions
$250
 17 Level, UK
This large cabinet specimen of Calcite with Pyrite and Quartz is from 17 Level in Geevor mine at Pendeen, near
Cassiterite in Mica
$350
 Wheal Owla (Wheal Owles), UK
A rare miniature of Cassiterite in Mica from Wheal Owla (aka Wheal Owles) at St. Agnes on the north coast of
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
Cronstedtite
$1,000
 Wheal Jane, England
Cronstedtite, a complex iron silicate, is one of the classic minerals associated with Wheal Jane at Baldhu,
Dioptase on Calcite
$2,750
 Tsumeb Mine, Namibia
A most unusual small cabinet specimen of well-formed colourless Calcite crystals dusted with a preferential
Willemite var. Troostite (stalactites)
$2,500
 Tsumeb Mine, Namibia
The zinc silicate Willemite forms multiple parallel stalactites of earthy deep carmine red to brownish brick
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
Tremolite
$400
 West Pierrepont, New York
A large cluster of intergrown prismatic crystals of Tremolite with scattered sub-centimetre masses of grey to
Quartz var. Amethyst on Danburite
$275
 Charcas, San Luis Potosí
Eight double terminated Amethyst Quartz crystals of delicate violet are strung out over a colourless Danburite
Quartz var. Amethyst on Danburite
$250
 Charcas, San Luis Potosí
Several double terminated Amethyst Quartz crystals of delicate violet are clustered over and to one side of a
Fluor-buergerite
$750
 Mexquitic, San Luis Potosí
Mexquitic de Carmona Municipality in San Luis Potosí, Mexico, is the type locality for Fluor-buergerite, a
Topaz
$400
 Tepetate, Mexico
A 1.5 x 0.9 x 0.5 cm perfectly terminated Topaz crystal protruding vertically from a small block of volcanic
Hemimorphite
$500
 Ojuela Mine, Mexico
Glassy, highly lustrous, milky white tabular Hemimorphite crystals and crystal clusters make-up almost all of
Danburite
$3,000
 Aurora Mine, Mexico
A truly superb cabinet specimen of large terminated Danburite crystals measuring to an exceptional 10
Inesite with Apophyllite
$1,500
 Broken Hill, Australia
Inesite is a relatively rare calcium-manganese-iron silicate hydroxide which occurs in several of the mines at
Topaz
$6,000
 Dassu, Gilgit-Baltistan
This magnificent and genuinely show-stopping gemmy Topaz is from Dassu in the Braldu Valley of Gilgit,