Noun
A mineral occurring in soft, lead-gray, foliated masses or scales, resembling graphite; sulphide of molybdenum.
Source: Webster's dictionaryMore sensitive molybdenite receiver cells, which also had greater sensitivity to infra-red radiation, replaced the older selenium cells in 1917. Source: Internet
Though molybdenum is found in such minerals as wulfenite (PbMoO 4 ) and powellite (CaMoO 4 ), the main commercial source is molybdenite ( MoS 2 ). Source: Internet
Thus, the occurrence of hassium in nature in minerals such as molybdenite and osmiride is theoretically possible, but highly unlikely. citation Isotopes main Hassium has no stable or naturally-occurring isotopes. Source: Internet