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Discosphaera tubifera, coccolithophoreScanning electron microscope (SEM) showing the unicellular planktonic algae Discosphaera tubifera from the North Atlantic surrounded by a sphere of calcite plates - coccoliths
Franklinite, zinc oreA 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 sparA specimen of Iceland spar from Rodefjord, Iceland. Transparent crystal composed of the mineral, calcite (calcium carbonate) which has unusual property of double refraction
Emiliana huxleyi, coccolithScanning 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
Statue of Amenhotep III (Neb-Maat-Ra) and Sobek c. 1390-1352Statue of Amenhotep III (Neb-Maat-Ra) and Sobek c.1390-1352 BC. Carved from Calcite (Egyptian Alabaster). Found in the Sobek temple at Dahamsha
Mesopotamia. White calcite. Cylinder seal. From Mesopotamia. Late Uruk. Early Jemdet Nasr Period. 3200-3000BC. British Museum. London. England. United Kingdom
Egyptian art. Tutankhamuns pectoral. Dynasty 18. 1332-1322Egyptian art. Tutankhamuns pectoral with solar and lunar emblem and Scarab. Dynasty 18. 1332-1322 BC. New Kingdom of Egypt. Egyptian Museum Cairo
Baboons statue. Early Dynastic Period. EgyptBaboon. Seated figure with the cartouche of King Narmer. Dynasty I. Early Dynastic Period. 3000 BC. Calcite and alabaster. Neues Museum. Berlin. Germany
Emiliania huxleyi coccolithophores collected from a bloom in the SW Approaches to the English Channel in June 2004. Date: 2004
GoldA 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
Calcite (Calcium Carbonate) variant iceland sparA cleaved rhomb of iceland spar showing double refraction from near Eskifjordr, Iceland
Egyptian art. Tutankhamuns Gold Throne. 18th Dynasty. New Kingdom of Egypt. 1332-1322 BC. Egyptian Museum. Cairo
Egyptian hieroglyphic writing on calcite. Top: fragment of the sarcophagus of Merenptah. 19th Dynasty. New Kingdom. 1213-1203 BC. From the tomb 8 of the Valley of the Kings
Minerals and crystals including natrolite, pisolite, etc.. Chromolithograph from Dr. Adolph Kenngotts Mineralogy section in Gotthilf Heinrich von Schuberts Natural History, Schreiber, Munich, 1886
Paris, France - Foundation-Stone of the Sacre Coeur on the 16th of June. Date: 1875
Silver wireFound in the Kongsberg mines in Norway, this specimen still has its long wires attached to the white calcite in which they grew
Brasilia bradfordensis, ammoniteThis Middle Jurassic ammonite has been sectioned to show its chambers with calcite crystals formed in some and hardened mud in others. The body chamber is missing
Ceratolithoides aculeus, coccolithScanning electron microscope image of an isolated coocolith from Cretaceous chalk. These are thin calcite shells protecting the coccolithophore within
Florosphaera profunda, coccolithScanning electron microscope image of a complete sphere of coccoliths from modern oceans. These are thin calcite shells protecting the coccolithophore within
Plate 42 from Mineralogie Volume 1 (1790)Coupe de la corne d ammons don?t chacunes des cazes, renferme une variete particuliere du Spath calcaire. From Recuille complet de Mineralogie? vol.1 (1790) by F.L. Swebach Desfontaines
Quaternary fissure brecciaWatercolour drawing of a fissure breccia from the Quaternary period (Pleistocene Epoch or Ice Age), fossilised with mammalian bones. From a collection of original watercolour drawings, c
Fluorite, pale green octahedronWith calcite, galena and pyrite. Its properties include fluorescence and cubed crystals. Specimen from Glengowla East mine, Oughterard, Co. Galway, Eire
CoccolithsScanning electron microscope (SEM) image of coccoliths, these are the limestone scales surrounding the marine phytoplankton coccolithophores
ChalcosineDull black twinned crystal with white calcite (schiefer spar). From the Levant mine, St. Just, Cornwall, UK
Cenoceras pseudolineatus, nautiloidA section cut and polished through Jurassic nautiloid from Dorset, UK. Shows the internal chambers filled or partly filled with calcite. Diameter 7cm
Franklinite, fluorescingOre of zinc fluorescing under ultra violet radiation: calcite - pink; willemite - green; zincite - blue; franklinite - black. See image number 388 for white light view
Micraster coranguinum, echinoidThis a common heart-shaped Cretaceous sea-urchin originates from the Upper Chalk. This specimen is preserved in its original calcite and its length is around 6cm
Axopodorhabdus albianus, coccolithScanning electron microscope image of a Cretaceous coccolith from Folkestone Chalk (x 10, 000 on a standard 9 cm wide print)
Calcite Iceland
Calcite group
Green calcite
Calcidiscus leptoporus and Syracolithus quadriperforatus, coIn this scanning electron micrograph, the transition of a life-cycle stage in Calcidiscus is shown from the outer cover to the inner layer. Specimen taken from W. Mediterranean
Emerald on calciteWell-formed hexagonal crystals of emerald on calcite. Emerald is a variety of beryl (beryllium aluminum silicate). The green colour is attributed to small amounts of chromium
Calcite comprises of (calcium carbonate) and is one of the most abundant minerals on Earth. Specimen originates from Tennesee, U.S.A. now at the Natural History Museum, London
Calcite (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
Rhodochrosite manganocalciteSpecimen from Schemnitz, Hungary, Greville Collection, 1810 (Baron Ignatz von Born specimen). BM 89666