African Petrified Wood Agate 8mm Large Hole Faceted Round - 8 Inch R1397 Chiastolite is also known as

Chiastolite is also known as the Cross Stone for the cross matrices of browns

Viking explorers used thin pieces of Iolite as the world’s first polarizing lens to help them determine the exact location of the sun for navigation

Turritella Agate is a variety of Chalcedony

blue to greens and greens swirled with yellow to green

Red Creek Jasper is named for the Red River in China where the stone was recently discovered

African Petrified Wood Agate 8mm Large Hole Faceted Round - 8 Inch R1397 Chiastolite is also known asPetrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years. Petrification occurs when the wood is covered by sedimentary rock, as waters loosen and decompose the organic elements and replace them with silicate substances, while maintaining the wood's original structure. Preservation is enabled by a lack of oxygen.