Anisotropic diffraction can have many causes. However, thin crystals often
show fuzzy or streaking spots when the crystals are bent during mounting.
Flattened glass capillaries or large loops often help to reduce
dramatically the mosaic spread.
All the best,
Peter David
--
Peter R. David, Ph. D.
D-100 Fairchild Bldg Tel 650-725-0754
Stanford University Fax 650-723-8464
Stanford, CA 94305-5400