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A mineral form of molybdenum sulfide, MoS2, that is the principal ore of molybdenum.


(Minerals) 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


(məˈlɪb dəˌnaɪt)

a soft, graphitelike mineral, molybdenum sulfide, MoS2, occurring in foliated masses or scales: the principal ore of molybdenum.
[1790–1800; variant molybdenum + -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.molybdenite - a mineral resembling graphite that is valued as the chief source of molybdenum and its compounds
atomic number 42, molybdenum, Mo - a polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
References in periodicals archive ?
The nine discovery holes (5,400 metres) drilled by Amarc in 2014 intersected long intervals of continuous chalcopyrite and molybdenite mineralization from surface and over a broad area, measuring 1,200 metres east-west by 600 metres north-south and to depths of approximately 500 metres.
These alloys found important applications in industry that resulted in a great demand for the rhenium produced from the molybdenite fraction of porphyry copper ores.
Molybdenum and copper mineralization occurs in these intrusions in veinlets and as disseminations with coarse molybdenite and chalcopyrite.
The researchers have revealed that molybdenite, or MoS2, is a very effective semiconductor.
The Property covers a zone of high-grade molybdenite float as well as a gold-bearing quartz vein epithermal system.
Re-Os ages for Archean molybdenite and pyrite, Kuittila-Kivisuo, Finland, and Proterozoic molybdenite, Kabeliai, Lithuania: testing the chronometer in a metamorphic and metasomatic setting // Mineral.
Preliminary metallurgical test work conducted by Amoco Minerals Company in 1981 showed that the molybdenite could be readily recoverable from the quartz monzonite material by standard floatation methods.
If the mineralogy of the gold-bearing iron formations is subtracted from that of the river placer (primary siderite forms secondary iron ochre) then cassiterite, wolframite and molybdenite remain: an assemblage characteristic of high temperature 'granitic' mineralization.
Chalcopyrite and molybdenite mineralization was observed by site geologists in varying amounts and continuities in a number of the holes drilled.
The Molybdenum is found as the mineral Molybdenite, mostly on fractures and in veins.
Mineralisation consists of chalcopyrite and molybdenite mainly as