Hexagonal-Trigonal System
Cochise College    
Crystals and Crystal Models
 
Geology Home Page                      

Roger Weller, geology instructor

wellerr@cochise.edu
copyright 2010-R.Weller

 
crystals of minerals
hexagonal prism and basal pinacoid

beryl (aquamarine)-4



beryl
Photo is copyright free for non-commercial educational uses. 
Just credit photo to R.Weller/Cochise College