Crystals and Crystal Models 
Cochise College   

Geology Home Page
Roger Weller, geology instructor
copyright 2015-R.Weller

last edited:  12/16/15      number of illustrations:  394

fluorite- octahedron crystal
index for photos of crystals and wood models

     Overview of Crystallography
     Isometric System
     Tetragonal System
     Orthorhombic System
     Monoclinic System
     Triclinic System
     Hexagonal-Trigonal System
     Twinned Crystals 

octahedron model