Petrified Rainbow Wood 13-14mm from Arizona rondelle beads (ETB00259) Turritella Agate

Petrified Rainbow Wood 13-14mm from Arizona rondelle beads (ETB00259) Turritella AgatePetrified 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

5 x 5 x 9 mm

a thunderegg is just one of the forms that agate can assume

This material is often called Pink Drusy

5mm (ETB00942)

It has very small inclusions of Hollandite in it

or linear banding from a fracture as seen in Leisegang Jasper

Mexican opals are sometimes cut in their ryholitic host material if it is hard enough to allow cutting and polishing

Dimensions: 18-18

Ocean Jasper

Similar to carnelian is sard

White = White Mother of Pearl (2 STRS)

though they can maintain a certain specific identity within them