Rainbow jasper, or Pork Stone, is called a "sustaining stone," and thought to be helpful in times of emotional fatigue or stress. Used for its properties to both calm and sooth, it is believed to be beneficial in collecting one's thoughts so as to help one feel more secure and relaxed when making decisions. Metaphysical properties are provided for your information and are not meant to replace the advice of a qualified physician or medical practitioner. Due to the nature of this product, color, size, and shape will vary. Spheres measure 40-50mm.