Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2006-R.Weller

Mineral Information on:

Chemical Group:    native element

Chemical Formula:   

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


Toxicity:      when-               when inhaled-

Additional Information: