magnetoplumbite
/maɡˌniːtəʊˈplʌmbʌɪt/Mineralogy
noun
A strongly magnetic greyish black oxide of manganese, lead, and ferric iron occurring as acute dipyramidal crystals of the trigonal system.
Origin
1920s; earliest use found in Chemical Abstracts. From German Magnetoplumbit from Magneto- + classical Latin plumbum lead + German -it.
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