Cochise College          Photos of Minerals

                          Geology Home Page                

                          Roger Weller, geology instructor

                          wellerr@cochise.edu
                                  copyright 2006-R.Weller
 

Mineral Information on:
zincite


Chemical Group:   oxide  

Chemical Formula:  
ZnO  

Color:  deep red, orange-yellow           Streak:  orange-yellow

 

Hardness:    4 to 4.5             Specific Gravity:   5.43 to 5.7

Fracture:  sub-conchoidal         Transparency:  translucent to sub-translucent
 

Luster:  sub-adamantine

Cleavage:  (0001) perfect 

 

Crystal Forms: Hexagonal-hemimorphic
     Crystals rare

Mineral habits:  foliated massive, granular 

Mineral Associations:  franklinite, willemite

Identifying Characteristics:

Uses:  zinc ore

Occurrences:  Franklin, New Jersey

Toxicity:      when-swallowed-                            when inhaled-

Additional Information: