>but it may have to do with the distortion of the crystals by >mechanical forces causing the movement of electrons to a >position where they mimic exposure to light. >--- >Richard Knoppow Or it might be gremlin tracks. }:^)> Garry ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.