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
rough jet: A B
Photos are copyright free for non-commercial educational uses.
Just credit photos to R.Weller/Cochise College.