High quality tumblestones at 1-3cm in size. You can either buy these as single stones, or benefit from quantity discounts by purchasing larger amounts.Jasper is the healing stone for Relaxation, bringing calm and being ideal for those who are emotionally stressed. Jasper, an aggregate of microquartz and/or chalcedony, an opaque, impure variety of silica. Usually red, yellow, brown or green in colour, & also rarely blue. The common red colour is due to iron inclusions. Jasper is one of the traditional birthstones for March.