African Petrified Wood Agate 6-7mm Table Cut Cube Bead - 15-16 Inch Grey Druzy Agate producing the effect of the

producing the effect of the stone seeming to shine from within

gray and white

a cryptocrystalline Quartz

but rather a speckled teal Jasper found in Africa and often treated to simulate the beautiful blue to green associated with true Turquoise

Mexican Black and Red Zebra Jasper has banded and marbled patterns of translucent to opaque milky white

African Petrified Wood Agate 6-7mm Table Cut Cube Bead - 15-16 Inch Grey Druzy Agate producing the effect of thePetrified 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.