aragonite
31Calcite sea — A calcite sea is one in which low magnesium calcite is the primary inorganic marine calcium carbonate precipitate. An aragonite sea is the alternate seawater chemistry in which aragonite and high magnesium calcite are the primary inorganic… …
32Chancelloriidae — Temporal range: Early Cambrian–Late Cambrian …
33Ammolite — Infobox mineral name = Ammolite category = fossilized, mineralized Ammonite shell boxwidth = boxbgcolor = imagesize = caption = Unprocessed sample of ammolite, a dragon skin pattern is apparent formula = CaCO3 aragonite polymorph, with minor… …
34Aragonit — Farblose Aragonit Stufe aus der Provinz Agrigent, Sizilien Chemische Formel Ca[CO3] Mineralklasse Carbonate und Nitrate 5.AB.15 (8. Auflage: V/B.04 10) (nach Strunz) …
35Mineralized tissues — Mineralized tissues: sea sponge, sea shells, conch, dentin, radiolarian, antler, bone Mineralized tissues are biological tissues that incorporate minerals into soft matrices. Typically these tissues form a protective shield or structural… …
36Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …
37calcite — calcitic /kal sit ik/, adj. /kal suyt/, n. one of the commonest minerals, calcium carbonate, CaCO3, found in a great variety of crystalline forms: a major constituent of limestone, marble, and chalk; calc spar. [1840 50; CALC + ITE1] * * * Most… …
38MINÉRALOGIE — La minéralogie a pour but l’étude des minéraux, éléments ou composés naturels. Si la notion d’espèce minérale a longtemps varié, depuis quelques décennies les minéralogistes en donnent la définition suivante: un minéral est un solide naturel,… …
39Calcium carbonate — Calcium carbonate …
40Nacre — Mother of pearl redirects here. For other uses, see Mother of pearl (disambiguation). Part of a series on Seashells …
