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Molybdenum abundance in the earth's crust is about 1 × 10-6, in magmatic rocks with granitoid highest molybdenum, up to 2 × 10-6. Molybdenum geochemical classification, a transitional pro-iron. Mine action, including the generation of molybdenum and sulfur combine the main produce molybdenite. 
 

Molybdenite (MoS2) is the nature of more than 30 species known molybdenum minerals most widely distributed and has a realistic industrial value of molybdenum minerals. Other more common minerals include iron-containing molybdenum molybdenum China ([Fe3 + (MoO4) 8.8 H2O]), calcium molybdate mine (CaMoO4), wulfenite (PbMoO4), glue molybdenum sulfide (MoS2), molybdenum blue mine (Mo3O8 · nH2O) and so on. 
 

Molybdenite polymorphism exists, the experiment showed that the emergence and formation of multi-type temperature-dependent, 2H-type molybdenite formation temperature is higher than the 3R type molybdenite. From low to high temperatures to form amorphous MoS2 → colloidal MoS2 → 3MoS2 → 2HMoS2. Temperature information on molybdenite formed a wide temperature range, can be quite high temperatures since until relatively low temperatures, and the formation of a large number of high to medium temperature phase. Under hydrothermal, MoS2 precipitation in the more acidic conditions, that molybdenite most stable under acidic conditions, when the solution to neutral, molybdates and molybdenum into thiosulfate soluble molybdate and then activities . Under conditions of low temperature and room temperature, Mo4 + generation plastic sulfur molybdenum (MoS2) in strongly acidic reducing environment, the product after it is oxidized molybdenum blue (Mo3O8 · nH2O). Exogenous effects, the molybdenum was Mo6 +, with strong activity. It is similar with the uranium, stable at near neutral or alkaline oxidation and reduction of the transitional environment, thereby generating a variety of minerals containing uranium molybdates, such as molybdenum, uranium [(UO2) MoO4 · 4H2O], molybdenum uranium calcium [Ca (UO2) 3 (MoO4) · (OH) 2.11 H2O] and so on. Fe-Mo Hua [Fe2 (MoO4) 3 · nH2O] is a common mineral sulfide ores under acidic conditions (pH = 3 ~ 5) formation. Wulfenite molybdenum containing lead and zinc products under neutral conditions. 
 

Ionic radius of rhenium and molybdenum are similar, it is often replaced by enriched in molybdenum and molybdenite, becoming a major source of industrial use of rhenium. Molybdenite rhenium content often associated with molybdenite mineralization 3R type content and solution of rhenium content. 

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