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单词 franklinite
释义

WordReference Random House Unabridged Dictionary of American English © 2024
frank•lin•ite  (frangkli nīt′),USA pronunciation n. 
  1. Mineralogya mineral of the spinel group, an oxide of zinc, manganese, and iron, occurring in black octahedral crystals or in masses: formerly mined for zinc.
  • 1810–20, American; named after Franklin, New Jersey, where it is found; see -ite1

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