Molybdenite sphere (1 mm) in sodalite.
Mont Saint-Hilaire, Quebec, Canada.
Collected by R. Peter Richards. J. A. Jaszczak photo.

2.5-cm molybdenite crystal with a spiral-step growth
as around a positive disclination.
Moly Hill, Ontario, Canada.

1-mm molybdenite crystal with acicular
zinkenite crystals, etched from calcite.
900' level, Sterling Mine, Ogdensburg, New Jersey