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

Word History


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

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Dictionary Entries Near catoptrite

Cite this Entry

“Catoptrite.” Dictionary, Merriam-Webster, Accessed 29 May. 2024.

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