Crystals and Crystal Models 
Cochise College   

Geology Home Page
Roger Weller, geology instructor
copyright 2018-R.Weller
last edited:  3/22/18      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  and  Drawings of Twinned Crystals


     Instructions on How to Grow Crystals-
by Roger Weller
     Systematic Mineralogy Textbook, 1881
      by Hilary Bauerman, 383 pages
      contains sections on crystallography plus cleavage, hardness, etc.

octahedron model