Carbonate Collection

Discosphaera tubifera, coccolithophore
Scanning electron microscope (SEM) showing the unicellular planktonic algae Discosphaera tubifera from the North Atlantic surrounded by a sphere of calcite plates - coccoliths

Coelosphaeridium, calcareous alga

Franklinite, zinc ore
A granular rock composed of white calcite, dull green willemite, red zincite and black franklinite (Zinc Iron Manganese Oxide). See T00387 for a fluorescent view

Iceland spar
A specimen of Iceland spar from Rodefjord, Iceland. Transparent crystal composed of the mineral, calcite (calcium carbonate) which has unusual property of double refraction

Oolitic limestone, with fossils. Limestone mainly consists of calcium carbonate. Ooliths, or ooids, are spherical grains of carbonate composed of concentric layers

Plate 7a from Histoire naturelle? (1789)
Plate 7a, Mineralogie [unfinished] from Histoire naturelle: ou, Exposition des morceaux, les mieux choisis pour servir? (1789) by by Swebach Desfontaines

Emiliana huxleyi, coccolith
Scanning electron microscope image of a complete sphere of coccoliths from modern oceans. These are thin calcite shells protecting the coccolithophore within

Plate 1 from Histoire naturelle? (1789)
Plate 1 Histoire Naturelle ou Mineralogie Complete, from Histoire naturelle: ou, Exposition des morceaux, les mieux choisis pour servir? (1789) by by Swebach Desfontaines

The production of sodium carbonate
5312004 The production of sodium carbonate; (add.info.: Engraving depicting the production of sodium carbonate: Solvay's ammonia-soda process)

Chalcopyrite with Malachite, East Pool Mine, Illogan, Cornwall, England
Capillary chalcopyrite with malachite. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 6)

Malachite, North Wheal Basset, Illogan, Cornwall, England
Clusters of botryoidal malachite crystals. Malachite is a common hydrated copper carbonate secondary mineral, formed by the near surface weathering of primary sulphide minerals

Cerussite on Galena and Baryte, Wirksworth, Derbyshire, England
Cerussite on galena and baryte. The specimen label states: 330 Lead ore with transparent crystals of lead ore found near Matlock very Rare. Galena is the primary ore mineral of lead

Calcite, Ball Eye Mine, Cromford, Derbyshire, England
Calcite, dog-tooth spar variety. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 20)

Malachite, Wheal Husband, Sticker, St Ewe, Cornwall, England
Botryoidal malachite coated in limonite. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 8)

Travertine terraces at Minerva Spring, Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA. Date: 25-05-2021

CARBONATE OF LIME QUARRY
Working in a carbonate of lime quarry, Norfolk. Date: 1930s

Picture No. 11050180
Chalk Rotting Dean, England, UK Date:

Rhodochrosite which means rose-coloured comprises of (manganese carbonate). This specimen originates South Africa

Emerald lake panorama; Carcross yukon canada

Emiliania huxleyi coccolithophores collected from a bloom in the SW Approaches to the English Channel in June 2004. Date: 2004

Picture No. 11050129
Tufa Mono County, California, USA Date:

Gold
A specimen of the metal element, gold, from Hopes Nose near Torquay, Devon. A beautifully delicate dendritic growh in cream-coloured calcite, with brown weathered dolomite

Magnesite
Dyed magnesite specimen

Calcite (Calcium Carbonate) variant iceland spar
A cleaved rhomb of iceland spar showing double refraction from near Eskifjordr, Iceland

Travertine Hot Springs, Bridgeport, California USA
Travertine Hot Springs, Bridgeport, California, USA

Sunset over the Sierra Nevada from Mono Lake, Mono Basin National Scenic Area, California, USA

Pamukkale Turkey
Travertine pools and terraces - Pamukkale Turkey

In the Silver Region, Colorado, U. s. A. u
In the Silver Region, Colorado, U.s.A. U.s. Us, Usa, United States, United States of America, America, 1881: Breckenbridge, General View; the Grand Crater

North America, USA, Nevada, Gerlach, Fly Gerser, Black Rock Desert

Lake Kozjak and travertine cascades on the Korana River, Plitvice Lakes National Park, Croatia

Cascades at Plitvice Lakes National Park, Croatia

Travertine cascades on the Korana River, Plitvice Lakes National Park, Croatia

Waterfall along the Korana River, Plitvice Lakes National Park, Croatia

Picture No. 11091680
Rosasite Zinc copper carbonate, minor ore mineral of copper and zinc Date:

USA, Nevada. Tufa formations, made of calcium carbonate deposits, south of Gerlach, Nevada

Australia, Tasmania, Dolomite rock formations

Picture No. 10899499
Maidenhair Fern (Adiantum capillus-veneris) Date:

A stage in the separation of radium from pitchblende using sodium carbonate. Curies laboratory, Paris c1900. Engraving

Eleuthera Island, Bahamas, 2002. Underwater formations to west of the island are made of calcium carbonate sand eroded from coral reefs and deposited in dunes by ocean currents. Credit NASA

Oval cut red Rhodochrosite gemstone

Stalactitic habit of malachite

Botryoidal Malachite on chrysocolia

Calcium carbonate, SEM C017 / 8495
False-coloured Scanning Electron Micrograph (SEM) of microscopic crystals of calcium carbonate. Calcium carbonate has many polymorphs (different shaped) crystal forms

Calcium carbonate, SEM C017 / 8497
False-coloured Scanning Electron Micrograph (SEM) of microscopic crystals of calcium carbonate. Calcium carbonate has many polymorphs (different shaped) crystal forms

Calcium carbonate, SEM C017 / 8491
False-coloured Scanning Electron Micrograph (SEM) of microscopic crystals of calcium carbonate. Calcium carbonate has many polymorphs (different shaped) crystal forms

Chalcocite crystals C016 / 5658
Chalcocite (copper sulphife). Dull black twinned crystal with white calcite (schiefer spar). Specimen from the Levant mine, St. Just, Cornwall, UK

Malachite and Azurite C013 / 5323
Malachite and Azurite sample from Morenci, Arizona, on display at Biosphere 2. Malachite (green) and Azurite (blue) are copper carbonate minerals formed by the weathering of copper ore deposits

Malachite-based mineral deposit C013 / 5324
Malachite-based mineral deposit on display at Biosphere 2. Biosphere 2, near Tucson, Arizona, was developed in the late 1980s for research into how natural environments create habitable conditions

All Professionally Made to Order for Quick Shipping

"Exploring the Fascinating World of Carbonate: From Discosphaera tubifera to Calcite" Carbonate, a compound that plays a significant role in various natural formations and organisms, has captivated scientists for centuries. In Plate 7a from Histoire naturelle (1789), we witness the intricate beauty of Discosphaera tubifera, a coccolithophore adorned with delicate calcareous plates. Similarly, Plate 1 showcases another stunning coccolithophore called Emiliana huxleyi, whose coccoliths contribute to the formation of mesmerizing white cliffs. But carbonate's influence extends beyond marine microorganisms. Coelosphaeridium, a calcareous alga depicted here, demonstrates how this compound is utilized by diverse life forms for structural support and protection. Franklinite, an intriguing zinc ore found in nature's treasure troves, also contains traces within its composition. Iceland spar stands as a testament to carbonate's optical properties; this transparent variety of calcite exhibits double refraction when light passes through it – an enchanting phenomenon observed since ancient times. Oolitic limestone further exemplifies carbonate's ability to form unique geological structures like spherical grains cemented together over time. In mining regions such as East Pool Mine in Cornwall, England, chalcopyrite with malachite reveals the presence of copper carbonates alongside other minerals. Malachite itself can be found at North Wheal Basset mine nearby – showcasing vibrant green hues formed through copper oxidation processes. Cerussite on Galena and Baryte specimens discovered in Wirksworth demonstrate how lead carbonates interact with other minerals underground under specific conditions. Finally, Calcite from Ball Eye Mine serves as evidence that Derbyshire holds rich deposits where this versatile compound thrives. From microscopic organisms shaping our oceans' ecosystems to breathtaking geological wonders and valuable mineral resources, carbonate continues to amaze us with its diverse forms and functions.