Petrified Rainbow Wood from Arizona 15mm round beads (ETB00256) Moroccan Agate gray or white color with

gray or white color with dark mineral grains visible throughout the rock

but slicing them in half and polishing them may reveal intricate patterns and colors

Sonora sunrise

and it is also called falcon's-eye

Petrified Rainbow Wood from Arizona 15mm round beads (ETB00256) Moroccan Agate gray or white color withPetrified Rainbow Wood Petrified Wood was once part of a tree. Millions of years ago the forests covering Northern Arizona were buried under a sea of mud, sand, and volcanic ash. Silicate replaced the wood fibers and pressure formed the rock. The colors found in Arizona Petrified Wood are the result of various elements present in either the original wood or the silicate. Red and Orange are caused by iron. Yellow and Brown are caused by iron and