Arizona Rainbow Petrified Wood Rough - Pastel Colors with Bark Pattern cell pattern outline Upon inspecting

Upon inspecting

Kambaba Jasper is a fossil-based jasper composed of ancient stromatolite colonies—layered structures formed by cyanobacteria over billions of years

The photos represent the actual grade but aren't exactly what you will get

While these areas are naturally very dark

This one reminds me of cells

Arizona Rainbow Petrified Wood Rough - Pastel Colors with Bark Pattern cell pattern outline Upon inspectingArizona Rainbow Petrified Wood Rough Pastel Colors with Bark Exterior Private Ranch Source This neat Arizona Rainbow Petrified Wood comes from a private ranch source. It carries pastel coloration that is fairly rare for this material, along with a bark like pattern on the exterior. It makes a nice display round as is, or could be cut for cabochons. SPECIFICATIONS Material: Natural Arizona Rainbow Petrified Wood Dimensions: 68mm x 53mm x 44mm (Inches