Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          [email protected]
                                  copyright 2006-R.Weller
 

Mineral Information on:
kaolinite

Chemical Group:    silicate

Chemical Formula:    Al₂Si₂O₅(OH)₄

Color:  white, gray, brown                  Streak:  white

Hardness:  2         Specific Gravity:  2.6                 Fracture:

Cleavage:  present, but almost impossible to detect because of tiny crystal size.

Crystal Forms and Habits:  Triclinic system
     Kaolinite always occurs in clayey masses.

Mineral Associations:

Identifying Characteristics:

Uses:  ceramics, filler in paper

Occurrences:  Georgia, North Carolina 

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: