Carbonates

 

745 results

Galena with Siderite and Calcite
$6,500
 Pfaffenberg Mine, Germany
A magnificent crystal of Galena measuring 4.0 x 3.3 x 1.8 cm rests on a bed of lustrous deep tan Siderite
Azurite
$2,000
 Altenmittlau, Germany
An excellent stacked group of radial and intergrown inky-blue Azurite crystals forming a 2.0 x 1.1 x 1.2 cm
Rhodochrosite
$7,000
 Wolf Mine, Germany
Wolf mine at Herdorf in the Rhineland-Palatinate state of Germany is famous for its very fine and attractive
Rhodochrosite
$450
 Wolf Mine, Germany
Modified scalenohedral crystals of burnt-orange Rhodochrosite to 1 cm long richly coat a small matrix of mixed
Dolomite ps. after Calcite with Pyrolusite
$500
 Niederschlema, Germany
An aesthetic group of five scalenohedral Calcite crystals to 5.5 cm tall, the outer shells of which have been
Fluorite with Dolomite
$450
 Cäcilia Mine, Bavaria
An excellent small cabinet specimen of quartzite with over a dozen very clear, lustrous, lemon-yellow Fluorite
Connellite with Malachite and Chalcophyllite
$2,500
 Wheal Unity, Cornwall
An absolutely superb specimen of the hydrous copper chloro-sulphate Connellite from the enigmatic Wheal Unity
Siderite
$600
 Carn Brea Mine, England
A thin plate of chloritised granite completely coated with beautifully crystallised deep milk-chocolate-brown
Witherite
$650
 Nentsberry Haggs Mine, England
Spherical clusters of crystalline Witherite to over 2 cm diameter form a mammillated group from Nentsberry
Crednerite with Malachite on Calcite
$400
 Torr Works Quarry, England
Platy black crystals of the Cu-Mn oxide Crednerite line vugs in crystalline snow-white Calcite within by a
Witherite
$500
 Fallowfield Mine, England
A lovely old half nodule of light greyish-white Witherite crystals covering an inner core of massive Witherite
Dolomite cast after Calcite
$900
 Tsumeb Mine, Namibia
Micro-crystals of creamy butter-milk Dolomite form a superb epimorph after triangular nail-head Calcite
Cadmium Smithsonite
$4,500
 Tsumeb Mine, Namibia
A tremendous cabinet specimen of Cadmium Smithsonite forming curved butterscotch-tan rhombohedral crystals to
Smithsonite var. Cobaltoan with Tennantite
$3,500
 Tsumeb Mine, Namibia
A superb specimen of highly modified rhombohedral Cobaltoan Smithsonite crystals which form smooth, curved
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
Otavite with Rosasite and Cerussite
$850
 Tsumeb Mine, Namibia
Otavite, a cadmium carbonate, was the first new mineral to be discovered at Tsumeb, being named in 1906. 
Cuprian Smithsonite
$350
 Tsumeb Mine, Namibia
Lustrous lime-green Cuprian Smithsonite in the form of glassy translucent 1 mm crystals smother a small
Otavite on Malachite with Cerussite
$1,200
 Tsumeb Mine, Namibia
An old-time specimen dating back to the very early days of mining at Tsumeb, the extremely rare mineral
Dolomite on Smithsonite
$3,500
 Tsumeb Mine, Namibia
A splendid razor-sharp rhombohedral Dolomite crystal measuring 1.3 x 1.2 x 1.1 cm is nicely perched atop a
Calcite with Dolomite
$1,500
 Tsumeb Mine, Namibia
Lustrous glassy curved blades of semi-transparent, colourless Calcite form a roughly spherical rosette. 
Calcite with Malachite
$500
 Tsumeb Mine, Namibia
A colourless, semi-transparent rhombohedral Calcite crystal measuring 1.7 x 1.6 x 1.2 cm, with attached and
Cobaltoan Smithsonite
$450
 Tsumeb Mine, Namibia
An excellent and aesthetic miniature of bubble gum-pink Cobaltoan Smithsonite densely coating the top surface
Azurite
$350
 Tsumeb Mine, Namibia
A choice, well terminated single crystal of Azurite measuring 9 x 7 x 4 mm sat jauntily on small white glassy
Malachite pseudomorph after Azurite
$1,800
 Tsumeb Mine, Namibia
A 4 cm wide blade of micro-crystallised deep emerald to leaf-green Malachite completely replacing an Azurite
Cuprian Smithsonite
$750
 Tsumeb Mine, Namibia
An absolutely beautiful miniature of Cuprian Smithsonite as glassy, highly lustrous, zesty bright apple-green
Conichalcite on Dolomite
$450
 Tsumeb Mine, Namibia
A flat, slightly hexagonal plate of glassy, lustrous white Dolomite crystals entirely coated on one face with
Mimetite with Malachite
$450
 Tsumeb Mine, Namibia
A lovely small miniature composed entirely of Mimetite, yet exhibiting two very different morphologies. 
Galena with Cerussite
$300
 Tsumeb Mine, Namibia
Two flattened cuboctahedral crystals of lead-grey Galena with an accompanying 7 mm patch of translucent tan
Azurite with Anglesite
$2,500
 Tsumeb Mine, Namibia
Thick tabular, intensely dark blue Azurite crystals cap a crystallised Cerussite matrix from the Tsumeb
Cerussite with Malachite
$900
 Tsumeb Mine, Namibia
A 1 cm thick rib of highly lustrous, reticulated Cerussite with flat, parallel sides, has much of its void
Azurite
$4,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A roughly 7.5 x 3.5 cm plate of  platy,  intense deep inky- blue Azurite crystals, with very few
Goethite on Smithsonite
$500
A somewhat unusual specimen of a heavy, thick crust of chocolate brown Goethite overgrowing clear rhombohedral
Dundasite with Cerussite
$1,500
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
Little matt white  spheres of Dundasite, measuring up to 0.3 cm on a Cerussite matrix consisting of a
Quartz with Dolomite
$800
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
An elegant grey opaque single double terminated crystal of Quartz with a partial coating of brownish red
Calcite
$300
 Tsumeb Mine, Oshikoto Region (Otjikoto Region)
A highly lustrous cabinet specimen of countless intergrown translucent rhombohedral crystals of Calcite. Three
Sphalerite with Calcite and Baryte
$400
 Dzhezkazgan Mining District, Kazakhstan
About six intergrown translucent, deep golden-tan Sphalerite crystals to 1.5 cm across sit on a flat plate of
Calcite
$750
 Rudny, Kostanay Region
A beautiful and aesthetic intergrown pair of lemony-cream transparent Calcite crystals from Rudny in the
Cinnabar on Dolomite with Quartz
$400
 Tongren Prefecture, Guizhou Province
This eye-catching specimen is a superb 1.3 x 1.0 x 0.8 cm crystal of the mercury sulphide Cinnabar set in a
Phosgenite on Baryte and Galena
$1,500
 Bage Mine, England
Two well developed Phosgenite crystals sit in a Baryte-lined vug in a solid Galena matrix from Bage mine,
Cerussite
$750
 Leadhills, Scotland
A tightly intergrown group of cream Cerussite crystals with no attached matrix from the Leadhills mining
Phosgenite on Galena and Baryte
$1,500
 Bage Mine, England
A great example of the rare lead chlorocarbonate Phosgenite from the famous Bage mine at Cromford in
Malachite
$250
 Roughton Gill Mine, England
Platy sprays of crude Malachite crystals richly coat a rectangular block of Quartz veinstone from the 90
Crednerite with Malachite and Hydrocerussite
$5,000
 Torr Works Quarry, England
The famous Torr Works quarry (usually referred to as Merehead quarry) produced a suite of wonderful minerals
Siderite
$350
 Tincroft Mine, England
A stunning bed of dark chocolate-brown to golden-tan lenticular Siderite crystals from Tincroft Mine at Pool,
Sphalerite with Siderite
$400
 Nenthead Mines, England
A choice, tightly packed group of metallic black Sphalerite crystals to 2.3 cm cover a deep buff to creamy-tan
Dolomite on Quartz with Hematite
$750
 Agnes Mine, Cumbria
A beautiful showy specimen of golden-deep tan Dolomite coating two L-shaped faces of a creamy-white Dolomite
Rhodochrosite
$7,500
 Uchucchacua Mine, Peru
A showy small cabinet specimen of cherry-red Rhodochrosite crystals sitting on black botryoidal manganese from
Rhodochrosite
$4,500
 N'Chwaning Mines, South Africa
A beautiful specimen with a secondary growth of tightly intergrown crystalline  bright red Rhodochrosite