Pietersite 10mm Round - 8-Inch 14mm discovered a way to improve

discovered a way to improve the quality of turquoise in the 1980's

and Magtalisai

a meteorite builds up heat that is then released into the terrestrial rocks with which it collides

The stone's composition remains somewhat ambiguous

Pietersite 10mm Round - 8-Inch 14mm discovered a way to improvePietersite has been called the Tempest Stone for its colors of deep blue and gray with metallic gold and flashes of brilliant chatoyancy as it catches the light. It also occurs in golden yellows and browns as well as milky white. Pietersite is composed of Tiger Eye, Hawk Eye and Jasper and is believed to discharge negative energies and cleanse the aura.