richterite

noun

rich·​ter·​ite

ˈriktəˌrīt

plural -s

: a mineral (Na,K)₂(Mg,Mn,Ca)₆Si₈O₂₂(OH)₂ that is a variety of amphibole containing as bases sodium, magnesium, manganese, potassium, and calcium

Word History

Etymology

German richterit, from Theodor Richter †1898 German metallurgical chemist + German -it -ite

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