Assertion: molybdenum's ore | /r/HasProperty | molybdenite
Facets:
Source sentences:
text: The main ore of molybdenum is molybdenite, (molybdenum disulfide, MoS 2 ).
text: It does not occur naturally as a free metal, but usually in an ore known as molybdenite.
text: The principal ore of molybdenum is molybdenite (molybdenum disulfide).
text: Its chief ore is molybdenite (molybdenum disulfide, MoS).
text: Molybdenum is an ancient metal and its ore, molybdenite, was initially confused and used as graphite and the common lead, galena (PbS).
text: In 1778 Carl Welhelm Scheele conducted research on an ore now known as molybdenite.