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

Roger Weller, geology instructor

wellerr@cochise.edu
copyright 2008-R.Weller

 
wooden crystal model
rhombohedral hemimorphic group -model # 114-1
 (1120)  (1010)  (1011)  (1011)  (0112)  (0112)
seen in tourmaline

 

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