Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2006-R.Weller

Mineral Information on:

Chemical Group:    halide

Chemical Formula:   

Color:  colorless, white, bluish, yellowish-red                 Tenacity:  brittle


Hardness:  2             Specific Gravity:  1.97 to 1.99              Fracture:  uneven

Cleavage: perfect cubic cleavage

Taste:  similar to salt (halite), but more bitter


Crystal Forms: Isometric system
     Sylvite forms cubes, sometimes with octahedral truncations.

Mineral Associations:

Identifying Characteristics:

Uses:  Source of potash compounds


Toxicity:      when-swallowed-                            when inhaled-

Additional Information: