high quality polished pietersite from namibia, south africa, on a tree bark. also known as the tempest stone

africa aggregate amphibole ancient bark beauty blue breccia brown chakra chalcedony chatoyant crystal dark eagle earth energy eye gem gemstone geological geology grey hawk healing heaven high journey keys known meditation metamorphic mineral minerals namibia natural nature old opaque pieters pietersite plexus polished power protection quality quartz rock shine shiny sid silicates solar south spiritual stone system telepathy tempest texture third tigereye tree trigonal uncommon vibration work