4420 results

 Bojewan Tin Stream Works, Cornwall
There is no disguising this specimen is an ugly brute, but it is a Cornish tin stream Cassiterite which makes
 Hilton Mine, England
An off-matrix interpenetrant Fluorite twin from the world-renowned Hilton mine in Scordale, near to Appleby in
Siderite with Pyrite
 Tazna Mine, Potosí Department
A pleasing specimen of bold chunky lenticular Siderite crystals to 2.7 cm diameter, densely covering a
 Dalen-Kjorholt Mine, Norway
The Dalen-Kjørholt limestone mine at Kjørholt in Telemark, Norway, is renowned for its many habits of
Pyrite with Tourmaline
 Lengenbach Quarry, Switzerland
An equant, well-developed complex Pyrite crystal 5 mm in diameter nestles in a creamy-white, sucrosic
 Tule Mine, Coahuila
An arresting large miniature of mottled violet cubic Fluorite crystals to 2.4 cm with intensely deep violet
 Maxonchamp, Lorraine
A delightful large miniature composed entirely of inter-grown, strongly colour-zoned teal-blue cubic Fluorite
Azurite with Malachite
 Tsumeb Mine, Namibia
A beautiful and fascinating Azurite and Malachite from the Tsumeb mine in Namibia.  A specimen in which
 Rehrlköpfl, Salzburg
A striking miniature of cubic Fluorite crystals of deep sky-blue to mid-ultramarine richly covering a thin
 Trieben, Styria
An attractive group of colourless glassy Dolomite crystals with mid-grey cores from Trieben in the
Stannite with Jamesonite
 San José Mine, Oruro Department
An unusual and rather fascinating specimen of the tin sulphide Stannite is intergrown with thick acicular
 Tip Top Mine, USA
An excellent specimen of the very seldom encountered species Montgomeryite, a calcium-magnesium-aluminium
 Uchucchacua Mine, Peru
A rich and splendid coverage of lustrous rhombohedral Rhodochrosite crystals to 1.2 cm on edge contrast nicely
Tetrahedrite with Boulangerite, Jamesonite and Pyrite
 Ánimas Mine, Potosí Department
A terrific off-matrix specimen of intergrown steely-grey Tetrahedrite crystals to 2.3 cm on edge from the
 Wheal Gorland, England
A granular, large thumbnail matrix of iron-stained milky Quartz, is richly coated with intergrown blades of
Cuprite with Cuprite var. Chalcotrichite
 Wheal Unity, Cornwall
Hackly intergrown granules of silvery deep-red Cuprite cover a porous brecciated Quartz veinstone. Richly
Paravauxite with Childrenite
 Llallagua, Bolivia
An excellent specimen of the rare hydrated iron-aluminium phosphate hydroxide Paravauxite as very pale-yellow
Lorandite with Realgar
 Allchar, Kavadarci
A rare and interesting specimen of Lorandite with Realgar from the famous arsenic-antimony-gold-thallium
Spinel with Marble
 Changy mine, Myanmar (Burma)
Three deep cherry-red crystals of Spinel, each to about 5 mm across, are partly embedded in a rectangular
Axinite-(Mn) with Epidote
 Canta, Lima Department
Well-developed bladed crystals of lustrous clove-brown Axinite-(Mn) crystals measuring to 3.5cm are richly
 Lavrion District Mines, Greece
A specimen displaying intergrown cubic light purple Fluorite cubes measuring to 3.2 cm with some Calcite, on a
Native Sulphur
 Agrigento, Italy
An excellent specimen of bright yellow unusual tabular diamond shaped Native Sulphur crystals measuring to
Rose Quartz on Feldspar
 Ilha Claim, Brazil
A very pleasing crystal gemmy-translucent display of radial pink Rose Quartz measuring overall to 4.8 cm,
Kawazulite with Freibergite
 Moctezuma Mine (Bambolla Mine), Sonora
A rare specimen of Kawazulite a Bismuth Selenium/Telluride as silvery metallic areas intermixed with
Rhodochrosite on Sphalerite
 Sacarimb (Nagyag), Romania
A neat specimen of intergrown pink petal-like crystals of Rhodochrosite line a cavity in dark brown Sphalerite
Native Gold
 Clogau St Davids Mine, UK
Several distinct patches of buttery-yellow Native Gold are strung-out in a strongly foliated carbon-rich
Goethite with Quartz
 Restormel Royal Iron Mines, England
A beautifully aesthetic specimen of botryoidal Goethite forming undulating mid to dark chocolate-brown mounds
Fluorite with Quartz
 West Pastures Mine, England
Five lustrous, pale apple-green Fluorite crystals, all to about 1 cm on edge are perched across an L-shaped
 North Crofty Mine, UK
An unusual and rare specimen from North Crofty at Pool, Carn Brea, Cornwall, now part of the more well known
 Silverband Mine, England
Two, off-matrix, colourless and translucent to semi-transparent Baryte crystals in tight parallel growth from
Scheelite with Quartz
 Carrock Mine, England
A superb Scheelite crystal measuring 1.0 x 1.0 x 0.4 cm set in milky-white Quartz from Carrock mine in Carrock
 Wheal Unity, Cornwall
A flat plate of iron-stained vein Quartz has a rich coating of deep bottle-green Olivenite crystals to about 6
Tetrahedrite with Galena and Quartz
 Herodsfoot Mine, England
A block of milky-white vein Quartz coated with 2 to 3 mm clear glassy Quartz crystals, cuboctahedral Galena,
 Blackdene Mine, County Durham
Among all the famous Fluorite mines throughout Weardale in County Durham, Blackdene mine is famed for its
Calcite with Pyrite and Quartz
 Herodsfoot Mine, England
Herodsfoot mine at Lanreath in north Cornwall, England, is an enigmatic mine and for sure, a Cornish
Quartz Epimorph after Fluorite with Chalcopyrite
 Cornwall, UK
A magnificent Cornish Quartz epimorph after Fluorite with overgrowths of Quartz and Chalcopyrite. The hollow
 Roughton Gill Mine, England
A showy display face of acidic, mustard-yellow Pyromorphite crystals, very richly coating a cellular vuggy
 Egremont, England
A magnificent Calcite specimen from the Egremont mining district of west Cumbria.  Colourless and glassy
 Trevaunance Mine, Cornwall
A splendid bed of lustrous brownish-black Cassiterite crystals to 1.7 cm, covering a milky-Quartz fracture
Fluorite with Calcite
 Heights Mine, England
Well-developed cubic gemmy-translucent crystals of light green Fluorite measuring to over 1 cm are
 Blackdene Mine, County Durham
A fine bright metallic silvery crystal specimen of intergrown Galena crystals with cube-octahedral habit
Fluorite with Quartz
 Cambokeels Mine, England
Classic gemmy lustrous purple  interpenetrant  crystals of Fluorite measuring to 1.8 cm are
 Boulby Mine, England
Gemmy light blue crystals of Boracite measuring to 3 mm form a druse over the top of the matrix of creamy
Fluorite with Baryte
 Derbyshire, England
Gemmy intergrown and scattered crystals of tinted purple Fluorite measuring to 5 mm, with abundant inclusions
 Hilton Mine, England
A substantial crystal specimen of classic yellow Fluorite from the Dowscar Flats, Hilton Mine, Scordale
Dufrénite with Chalcosiderite
 Gunheath China Clay Pit, England
Rich rich botryoidal Dufrénite covers areas to 3 cm overgrown lustrous green radial platy Chalcosiderite, on a
Chalcopyrite var Blister Copper
 Camborne-Redruth, England
A pleasing miniature specimen of Chalcopyrite variety Blister Copper from one of the mines in the
 Geevor Mine, England
A classic thumbnail specimen of Chalcocite crystals measuring overall to 2cm from Geevor Mine, Pendeen,