Check the listing for details. Pietersite - 11 Tumbled Stones rt448u. Condition: New. Listed at 8.00 USD. Pietersite Tumbled Stones - purification, courage. 11 Pietersite Tumbled Stones. The picture shows the stones you will receive. These stones are approximately 3/4 to 1 inch in the longest dimension and range from 1/2 to 5/8 inch thick. 4.2 ounces. The stones have white and black inclusions, not first quality but still interesting and energetic. Wonderful stone for crystal healing and energy work.Pietersite is a Namibian gemstone and is sometimes called tempest stone. Its colors range from red- and gold-brown to blue and black. It is usually iridescent - similar to tigereye. Metaphysical Properties Pietersite is a very energizing stone and is used for purification. It enhances strength, courage and will power and increases awareness of the higher planes; helps to access the akashic records