MATTE Petrified Wood Opalite 8x10 Tumble Nugget 8-Inch Cat's Eye a form of silica with

a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz

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

It is a variety of the mineral corundum

and because its hardness has made the stone perfect for beads and cabochons

MATTE Petrified Wood Opalite 8x10 Tumble Nugget 8-Inch Cat's Eye a form of silica withWood Opalite is a type of petrified wood that has been impregnated with the Silicon Dioxide commonly known as Opal. Wood Opalite occurs in a range of colors, primarily earth tones, including browns, grays, and creams. Petrified wood is created through a process called permineralization, which takes millions of years. When wood becomes covered with earth, decays and is exposed to mineral rich water, mineral deposits can create stone in the place of the