Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2010-R.Weller

 

Mineral Information on:
fluorapophyllite

Chemical Group:    silicate (zeolite)

Chemical Formula:   
KCa4Si8O20(F,OH).8H2O

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:

Uses:

Occurrences:  found in amygdules in basalt

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: