Mechanics > Properties of Matter > Crystal Structures DCS# 1R50.20
CRYSTAL LATTICE MODELS
chalcopyrites
APPARATUS
crystal lattice models 202-16-A,B
DESCRIPTION
Show models of various crystal structures.  We have the following:
bcc
sc
hcp
fcc
diamond
chalcopyrites

NOTES
 
See http://jas.eng.buffalo.edu/education/solid/genUnitCell/index.html for applet showing 14 Bravais lattices.

Or this site with a nice viewer applet: http://cst-www.nrl.navy.mil/lattice/index.html