6360 results

 Wheal Pendarves, England
Instantly, on lifting this specimen from Wheal Pendarves, it is apparent a good proportion is Cassiterite
 Larkin's Quarry, Ireland
Larkin's quarry remained a totally unknown mineral locality until 2016 when blasting opened up magnificently
Calcite (twinned crystal)
 Gillfoot Mine, England
Fabulous twinned Calcites from the West Cumbrian iron mines need little introduction as they are recognised
Phosgenite on Galena on Baryte
 Bage Mine, England
A superb and rare specimen of the lead chlorocarbonate, Phosgenite, from Wirksworth near Cromford,
Fluorite with Quartz
 Cambokeels Mine, England
Lustrous and gemmy lilac, interpenetrant-twinned Fluorite crystals measuring to 1.8 cm are aggregated and
Mimetite var. Campylite
 Dry Gill Mine, England
A small cabinet specimen, rich in barrel-shaped crystals of mustard-lime-green Mimetite of the variety
Cuprite var. Chalcotrichite with Malachite
 Bedford United Mine, England
Plush, red velvet-like mats of post box red Chalcotrichite, the acicular variety of Cuprite, cover areas of up
 Millclose Mine, England
A characteristic Calcite miniature from Millclose mine at Wensley, South Darley in Derbyshire, England,
 Heights Mine, England
A curious miniature of interpenetrant twinned Fluorite crystals attached to a Calcite stalactite from the
Calcite on Dolomite with Quartz
 Shangbao Mine, China
You may possibly have seen photographs of the entrance to Shangbao mine in Leiyang County, Hunan Province,
Fluorite with Calcite
 Elmwood Mine, USA
I’ve been describing specimens for longer than I care to remember.  Given the infinite variety in which
 Tsumeb Mine, Namibia
This beautiful miniature Azurite from Tsumeb mine in Namibia forms three branching arms of intergrown, stacked
Ludlockite with Leiteite
 Tsumeb Mine, Namibia
The rare minerals Ludlockite and Leiteite sit on top of a miniature block of Germanite ore from Tsumeb mine in
Scheelite on Quartz with Zinnwaldite
 Cínovec / Zinnwald, Saxony & Ústí Region
A 9 x 5 mm group of tiny octahedral Scheelite crystals are attached to a prism face of a pair of black Morion
 Krásno, Bohemia
A large thumbnail/small miniature group of lustrous Cassiterite crystals from Krásno in the Karlovy Vary
Fluorite with Dolomite
 Heißer Stein Mine, Bavaria
Pearly-white Dolomite crystals of 2 to 4 mm, dusted terracotta and burnt carmine, are richly scattered over a
Fluorite with Sphalerite and Quartz
 Freiberg, Germany
This great Fluorite miniature, from the historic medieval mining district around Freiberg in Saxony, Germany,
Calcite with Pyrite
  Pribram, Czech Republic
This superb miniature Calcite is from the Příbram Mining District in the Czech Republic.  Close
Malachite with Native Copper
 Rudabanya, Hungary
A coral-like formation of Native Copper, largely covered by micro-crystallised druses of light peppermint to
Apatite with Albite and Muscovite
 Dolni Bory, Czech Republic
A well-formed translucent pale greenish-cream to zoned pastel bluish-green Fluorapatite crystal measuring to
 Tsumeb Mine, Namibia
Rather surprisingly, well crystallised Galena was fairly rare at Tsumeb, despite it being one of the
Galena with Marcasite and Baryte
 Pasto Bueno, Ancash Department
Apart from forming fabulous specimens, Galena usually also delivers a lot of bang for your buck.  This
 Xianghuapu Mine, Hunan Province
A subtly tinted green, lilac and colourless group of octahedral Fluorite crystals from the Xianghualing mine
Calcite with Boulangerite
 Cavnic Mine, Romania
The resultant effect of micro-crystallised Calcite rhombs, jet-black due to Boulangerite inclusions and
Fluorite on Quartz
 Kara-Oba, Karagandy Province
A somewhat rugged looking combination of opaque, mottled purple octahedral Fluorite crystals perched on the
Hausmannite with Andradite Garnet
 N'Chwaning I Mine, South Africa
A small cabinet specimen displaying two fine Hausmannite crystals from the world famous N'Chwaning I mine at
 L'Etoile du Congo Mine, Katanga Copper Crescent
This highly attractive nodular group of botryoidal, emerald green Malachite is from the L'Etoile du Congo mine
 Pöhla-Tellerhäuser Mine, Germany
The Pöhla-Tellerhäuser mine was a polymetallic producer whose main ore was uranium, beginning operation in
Pyromorphite on Baryte
 Heilige Dreifaltigkeit Mine, Germany
The Heilige Dreifaltigkeit mine lies adjacent to the city of Zschopau, immediately on its eastern flank and by
Calcite with Pyrite on Quartz
  Pribram, Czech Republic
A beautiful and arresting small cabinet specimen of framboidal Pyrite richly coating stubby Quartz crystals,
Fluorite with Quartz
 Erika Mine, Bavaria
Elongated cubic Fluorite crystals, all roughly aligned with one corner pointing vertically, form a gentle
Native Bismuth
 Schneeberg District, Germany
Cleavages of metallic Native Bismuth measuring to 4 x 1.5 cm are embedded in a Quartz veinstone with a silvery
Rutile with Quartz and Chlorite
 Ticino, Switzerland
A beautiful and historic specimen of acicular crystals of Rutile on and in transparent Quartz (“rock crystal”)
Calcite with Pyrite
  Pribram, Czech Republic
Three intergrown crystals of steep pyramidal scalenohedral Calcite crystals showing a stepped lower section
Chalcopyrite var. Blister Copper
 Levant Mine, England
I think most collectors of Cornish minerals have a “thing” about Blister Copper. Despite sometimes being a
Cuprite with Native Copper
 Camborne - Redruth - St Day District, England
The structure of this quite remarkable and unique Cuprite coating Native Copper lends itself to some famous
 Wheal Gorland, England
If any mineral description needs to begin with a great big wow, then this is certainly one! Ready then?...
 Wheal Boys, England
A rare and superb Bournonite from its type locality at Wheal Boys at Port Isaac on the Cornish north coast.
 Greenlaws Mine, England
Greenlaws mine is situated about 1 km south of St John’s Chapel and Daddry Shield, both hamlets or small
Hematite with Chalcopyrite on Siderite
 Carn Brea Mine, England
Carn Brea mine formerly lay in the district of Illogan at the northern foot of Carn Brea, an elongated hill
Andrewsite (Hentschelite-Rockbridgeite-Chalcosiderite) with Goethite
 Wheal Phoenix, England
Although we still refer to this mineral as Andrewsite, it was discredited in 1990, being a mixture of
Cassiterite ps. after Orthoclase
 Wheal Coates, England
The old Wheal Coates engine house, set against the backdrop of the Atlantic Ocean, is an iconic image of
 Frazer's Hush Mine, Co. Durham
Glassy, vivid mauve Fluorite crystals, primarily as interpenetrant twins, are strewn over a high domed mound
Linarite on Quartz
 Red Gill Mine, England
Red Gill mine is well known for its fascinating suite of minerals, but is most famous for its excellent
Calcite (twin on matrix)
 West Cumberland Iron Ore Field, England
A very rare miniature of a gemmy, colourless twin Calcite crystal measuring to 3.4 x 3.4 x 2.2 cm, embedded on
 Fowey Consols, England
A pleasing small cabinet specimen composed entirely of Chalcopyrite, displaying many crystallised faces and
 Wheal Alfred, England
From Wheal Alfred, a fine miniature of well-formed, intergrown, bright oily lime green Pyromorphite crystals
Calcite on Quartz
 Botallack Mine, England
A botryoidal halo of glistening micro-crystallised, cream to deep apricot Calcite wraps around the termination