Taken from Rockhounds List

WARNING...ROCK POX..Very Contagious to Both Sexes..SYMPTOMS — Continual complaint as to need for fresh air, sunshine and relaxation. Patient has blank expression, sometimes inattentive to the family. No taste for work of any kind. Frequently checks lapidary and mineral shops and their catalog longer than usual. Makes secret phone calls to rock pals. Mumbles to self. Lies to rival collectors. There is only one known cure...TREATMENT — Medication is useless. Disease is never fatal. Victim should go agate hunting, immediately and often, at beach, mountain and desert areas...