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Meaning of franklinite

frank•lin•ite

Pronunciation: (frangk'li-nīt"), [key]
— n.
  1. a mineral of the spinel group, an oxide of zinc, manganese, and iron, occurring in black octahedral crystals or in masses: formerly mined for zinc.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.