Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2010-R.Weller

 

Mineral Information on:
bismuthinite

Chemical Group:    sulfide

Chemical Formula:   
Bi2S3

Color:       lead-gray to tin white; yellowish to tan tarnish              

Streak:     lead-gray

 

Hardness:    2             Specific Gravity:   6.4 to 6.5               Fracture:

Cleavage:  1 direction, perfect
 

Luster:  metallic
 

opaque

 

Crystal Forms:  Orthorhombic system

Mineral Habits:  usually massive, foliated or fibrous

Mineral Associations:

Identifying Characteristics:

Uses:  bismuth ore

Occurrences: 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information:  sometimes called "bismuth glance"