Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2006-R.Weller
 

Mineral Information on:
molybdenite

Chemical Group:    sulfide

Chemical Formula:   
MoS2

Color:  lead gray with a bluish tinge                     

Streak:  bluish gray on paper, greenish on glazed porcelain

 

Hardness:  1 to 1.5          Specific Gravity:  4.62 to 4.73
 

Tenacity:  sectile                 Feel:  greasy

Luster:  bright metallic           

Cleavage:  one direction, perfect

 

Crystal Forms and Habits: Hexagonal system
    Common crystal form is a hexagonal plate
    Often found in massive form or foliated

Mineral Associations:

Identifying Characteristics:

Uses:  ore of molybdenum, lubricant

Occurrences:  Colorado, Arizona, New Mexico, Utah 

Toxicity:      when-swallowed- moderate       when inhaled- high

Additional Information: