Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                                  copyright 2006-R.Weller


Mineral Information on:

Chemical Group:  silicate-zeolite

Chemical Formula: 

Color:  white or tinted yellow or blue                                                                          


Hardness:  4.5 to 5            Specific Gravity:  2.33            

Crystal Forms:  Triclinic system
     Commonly fibrous, also compact

Mineral Associations:  occurs is gas pockets in basalt

Identifying Characteristics:  delicate, radiating, acicular white crystals


Occurrences:  Poona, India 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: