A few links to crystal growing resources:

    http://xray.chem.uwo.ca/crystal_growing/GrowXtal.html
    http://www.nottingham.ac.uk/~pczajb2/growcrys.htm

A synchrotron radiation primer.

The relationship between Eulerian and kappa geometry.

Ewald sphere movie (n.b. This is from Gervais Chapuis' excellent on-line course http://escher.epfl.ch/eCrystallography/).

Average atomic volumes.