Rock Crystal (Quartz) Photos         
Cochise College                                                           
Photos of Gemstones
Transparent Gemstones
Geology Home Page
Roger Weller, geology instructor               



Rock Crystal (Quartz)
last edited:  11/10/17    number of photos:  3  
Rock Crystal is clear, colorless quartz, SiO2    
Mineral information on quartz
hardness: 7

faceted rock crystal
faceted rock crystal:  A

rock crystal in jewelry
rock crystal beads:  A  B                                                                                                 

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