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:  tin-white            Streak:  tin-white

Luster:  metallic


Hardness:  3 to 3.5             Specific Gravity:  9.8                 

Fracture:  uneven      Tenacity:  brittle

Cleavage:  - direction, perfect


Crystal Forms and Habits:  Rhombohedral  (crystals rare)
     Usually massive

Mineral Associations:

Identifying Characteristics:

Uses:  antimony ore


Toxicity:      when- very high              when inhaled- very high

Additional Information:  distinctly cleavable