GEOLOGY & PLANETARY SCIENCE A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site molybdenite Molybdenite. Image source: Mineralogical Information Institute, courtesy of the Smithsonian Institution A soft, gray sulfide mineral (MoS2), the chief ore of molybdenum. Purified molybdenite has properties very similar to those of graphite, and is used as a lubricant (see lubrication). Related category    • GEOLOGY AND PLANETARY SCIENCE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP