| Molybdenite|   | MoS2This sample of molybdenite is displayed in the Smithsonian Museum of Natural History. Molybdenite is a sulfide mineral of molybdenum  with the composition MoS2.  The sample at left is about 10 cm across and is from Chelan, Washington.   | 
 | This sample of molybdenite is about  12 cm across and is from Allies mine, Deepwater, New South Wales, Australia. It is described as molybdenite with quartz. 
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 |   | This sample of molybdenite is is about 10 cm across and is from German Bill mine, Wolfram camp, Queensland, Australia.    Mindat: Molybdenite | 
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