Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2007-R.Weller
 

 

Mineral Information on:
uraninite


Chemical Group:    oxide  

Chemical Formula: 
UO2   Uraninite is radioactive!!

Color:  steely black, brownish black, black                        Streak:  brownish black

 

Hardness:   5 to 6              Specific Gravity:   10.95                Fracture:  uneven to conchoidal

Tenacity:  brittle    
Luster" pitchy

 

Crystal Forms: Isometric system
     Crystals are cubic, or octahedral

Mineral Associations:

Identifying Characteristics:  color, density, radioactivity

Uses:   ore  of uranium

Occurrences: 

Additional Information: