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:  colorless, white, grayish, yellowish, red          Streak:   white


Hardness:  5         Specific Gravity:   2.25

Luster:  vitreous to pearly         

Cleavage:  one direction, perfect


Crystal Forms:  Orthorhombic system
        Often as radiating, fine acicular masses of crystals

Mineral Associations:  occurs with other zeolites in basalt

Identifying Characteristics: radiating acicular crystal clusters


Occurrences:  New Jersey, USA; Nova Scotia, Canada