Pietersite 10mm Round - 15-16 Inch feature_07272023 and the green color is

and the green color is caused by a reaction in the stone when the chrome is introduced to water

but rather a dark variety of Carnelian

Blue Apatite ranges in color from light teal to blue to bright blue to dark blue to green

creativity

second only to Quartz

Pietersite 10mm Round - 15-16 Inch feature_07272023 and the green color isPietersite 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.