Definition of molybdenite in English:



mass noun
  • A blue-grey mineral, typically occurring as hexagonal crystals. It consists of molybdenum disulphide and is the most common ore of molybdenum.

    • ‘The central potassic core normally contains low-grade mineralization consisting of minor chalcopyrite, molybdenite, and pyrite.’
    • ‘Willman reported astrophyllite, biotite, molybdenite, and riebeckite associated with smoky quartz and microcline (variety amazonite) on Mount Kineo at North Cheyenne Canyon.’
    • ‘High on the slopes of Bartlett Mountain, it contained not only gold values but also veinlets of a soft gray mineral - molybdenite.’
    • ‘Molybdenum never occurs as the free element in nature, but is most commonly found in the minerals molybdenite and wulfenite.’
    • ‘At the Redskin mine, molybdenite is found in small cylindrical greisen pipes in the Redskin Granite.’