Jet Photos                        
Cochise College                                                                                                          
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor                       

wellerr@cochise.edu


jet beads


Jet
last edited:  11/15/17    number of photos:  3
Jet is a bituminous coal.
Information on the sedimentary rock, coal
hardness: 2.5 to 4
Jet is found in England, Germany, France, Poland, Spain;
in the USA from Colorado, Utah, New Mexico.

 

Jet in Jewelry
jet beads:  A 

Jet, Uncut
rough jet:  A  B

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