An obsolete or archaic name for various minerals containing copper, sometimes used historically for copper ore or copper-rich rocks.
From Greek 'chalkos' (copper) plus the mineral suffix '-ite.' This term represents older mineralogical classification when mineral names were more loosely applied and less standardized than modern chemistry allows.
Before chemistry became precise, 'chalcites' was a catch-all name for anything that looked coppery or contained copper—it's like calling all small dogs 'puppy' instead of breed names. Modern mineralogy has sorted these into specific minerals with exact chemical formulas.
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