catoptrite

noun ca·top·trite
variants: or katoptrite \kəˈtäpˌtrīt, ˈkatəpˌ-\

Definition of catoptrite

plural -s
: a mineral consisting of a silico-antimonate of manganese, aluminum, magnesium, and iron occurring in metallic black monoclinic crystals

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Origin and Etymology of catoptrite

Swedish katoptrit, from Greek katoptron + Swedish -it -ite; from its mirrorlike cleavage surfaces


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