Occurs in Pinal County. Common in Arizona.
Chemical Formula: MoS2
Specific Gravity: 4.7-4.8
Hardness: 1-1.5
Molybdenite is a molybdenum sulfide mineral that often forms gray metallic crystals or flakes. It is the primary ore of molybdenum and has important industrial uses.
Next Pinal County mineral: Montmorillonite