Sillimanite, variety Catseye- Photos      
Cochise College                                                                                                               
Photos of Gemstones
Translucent Gemstones

Geology Home Page
Roger Weller, geology instructor               

variety Catseye

last edited:  11/15/17    number of photos:  3
Sillimanite is Al2SiO5                                                        
hardness: 6 to 7

sillimanite as a mineral


catseye sillimanite cabochons:  A  B  C


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