Molybdenite
ID: 136
Molybdenite
Chemical Formula
MoS2
Hardness (Mohs)
1 - 1.5
Crystal System
Hexagonal
Streak
Greenish-gray to black
Luster
Metallic
Diaphaneity
Opaque
Color
Lead-gray, bluish-gray.
Crystal Habit / Mode of Occurrence
Hexagonal plates, foliated, massive, disseminated.
Fun Facts
Molybdenite has a greasy feel and can be used as a lubricant, similar to graphite.