Obsidian Photos                      
Cochise College                                                                                                          
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor                       


snowflake obsidian

last edited:  11/15/17    number of photos:  5 
Obsidian is volcanic glass.
hardness: 5 to 5.5 


snowflake obsidian:  A
golden sheen obsidian: A

tumble polished
Apache tears:  A  B


polished egg
obsidian egg:  A

Photos are copyright free for non-commercial educational uses. 
Just credit photos to R.Weller/Cochise College.
copyright 2017-R.Weller