In ancient Assyria one of the oldest civilizations Gug, or Jasper carvings, have been found. It comes in numerous colours. It has healing powers and can protect health and beauty.
Red jasper is projective and was used to protect and guard. It sends negativity back to its source.
Green jasper is receptive and is a healing stone. It can be worn to promote sympathy to others with emotion or mental problems. Brown jasper is receptive and is used for grounding and centering ones own self. If you live with your head in the clouds, wear brown jasper to ward off danger.
Mottled jasper is projective and is worn for protection against drowning. If a cross is carved on it, then you will be protected from the four elements.