Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2010-R.Weller

 

Mineral Information on:
byssolite

Chemical Group:   silicate

Chemical Formula: 
 
Ca2(Mg,Fe)5Si8O22(OH)2

Color:    bright to dark green, grayish green, black

Luster:  vitreous

 

Hardness:  5 to 6               Specific Gravity:                  Fracture:

Cleavage:

 

Crystal Forms:  Monoclinic system, hair-like fibers

Mineral Associations:

Identifying Characteristics:  hair-like (acicular habit)

Uses:

Occurrences: 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: