Chert Photos                    
Cochise College
Photos of Rocks
Sedimentary Rocks
Geology Home Page
Roger Weller, geology instructor               


last edited:  1/5/16  number of photos:  10                                                                 
Chert is a chemical sedimentary rock made of
cryptocrystalline (very fine-grained) quartz, SiO2
It has a surface that is duller than flint, with
which it is closely related.


chert, brown:  A 
chert, fossiliferous:  A 

chert, gray:  A  B  C
chert, grayish brown:  A
chert, varigated:  A

chert nodules in limestone:  A 
chert arrowheads:  A


Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2016-R.Weller