crystalline calcium carbonate, 1849, from German Calcit, coined by Austrian mineralogist Wilhelm Karl von Hardinger (1795-1871) from Latin calx (genitive calcis) "lime" (see chalk (n.)) + mineral suffix -ite (2) (German -it).
calamity
calash
calcaneus
calcareous
calcify
calcite
calcitrant
calcium
calculate
calculated
calculating
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