Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2010-R.Weller


Mineral Information on:

Chemical Group:    silicate (zeolite)

Chemical Formula:   

Color:    white, pink, green, yellow, violet               Streak:  white


Hardness:   4 to 5              Specific Gravity:    2.3 to 2.4  
transparent to translucent

Luster:  vitreous to pearly

Cleavage:  1 direction, perfect


Crystal Forms:  pseudo-cubic

Mineral Associations:

Identifying Characteristics:


Occurrences:  found in amygdules in basalt

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: