copiapite

noun

co·​pi·​a·​pite

ˈkōpēəˌpīt

plural -s

: a mineral composed of a basic iron sulfate (Fe,Mg)Fe₄(SO₄)₆(OH)₂.20H₂O, of yellow color and metallic taste (hardness 2.5, specific gravity 2.10)

Word History

Etymology

German copiapit, from Copiapó, Chile, its locality + German -it -ite

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