[muh-lib-duh-nahyt] /məˈlɪb dəˌnaɪt/

a soft, graphitelike mineral, molybdenum sulfide, MoS 2 , occurring in foliated masses or scales: the principal ore of molybdenum.
a soft grey mineral consisting of molybdenum sulphide in hexagonal crystalline form with rhenium as an impurity: the main source of molybdenum and rhenium. Formula: MoS2
A soft, lead-gray hexagonal mineral that is the principal ore of molybdenum. It occurs as sheetlike masses in pegmatites and in areas where contact metamorphism has taken place. Chemical formula: MoS2.


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