Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2010-R.Weller

 

 

Mineral Information on:
ferberite

Chemical Group:     tungstate

Chemical Formula: 
 FeWO4

Color:    black                      Streak:  brownish black

 

Hardness:    4.5                   Specific Gravity:    7.4 to 7.5             

Opaque

Cleavage:

 

Crystal Forms:  slender prismatic crystals
 

Habits:   thin laminae, granular, prismatic crystals

Mineral Associations:

Identifying Characteristics:

Uses:  tungsten ore

Occurrences: 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: