lattice links

For those of you into lattices, here are a couple nice links
(scientific)
http://www.uis.edu/~trammell/MaterialsScience/Unit_Cells/sld025.htm
http://www.seanet.com/~ksbrown/coinc2.htm
http://www.uis.edu/~trammell/MaterialsScience/Unit_Cells/sld024.htm
http://www.georgehart.com/virtual-polyhedra/dodecahedra.html
http://www.uwgb.edu/dutchs/PETROLGY/coordination_and_paulings_rules.htm
http://www.uwgb.edu/dutchs/PETROLGY/close_packing.htm

--
John Starrett
"We have nothing to fear but the scary stuff."
http://www-math.cudenver.edu/~jstarret/microtone.html