Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2006-R.Weller
 

Mineral Information on:
bismuth

Chemical Group:    native element

Chemical Formula:    Bi

Color:  silver-white with reddish hue            Streak:  same as color

Luster:  metallic

Hardness:  2.5           Specific Gravity:  9.8                 

Tenacity:  sectile and brittle
 

Crystal Forms and Habits:  Rhombohedral  (crystals rare)
     Massive, granular, reticulated, arborescent

Mineral Associations:

Identifying Characteristics:

Uses:  bismuth ore

Occurrences: 

Toxicity:      when-               when inhaled-

Additional Information: