Crystal Summary

http://laue.chem.ncsu.edu/student_xtal.html
The Crystal Growing for Students web site at the chemistry department of North Carolina State University features several formulas for growing crystals.

http://www.minmet.uq.edu.au/ugrad/5e101/index.html
An online materials science course, by Simon Toh at the University of Queensland in Australia, with extensive introductory information about crystal structures and symmetry.

http://www-sphys.unil.ch/escher/
Create two dimensional repeating patterns with the Escher Web Sketch program and read about how such patterns are similar to those formed by the arrangement of atoms in mineral crystals.


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