Petrified Wood Bookends (Arizona) 507ab8d06fe18ca7f56c6d954b848ca3 but also intermixed throughout the

but also intermixed throughout the entire stone

feeding upon plankton by a simple yet efficient filtering system

and the only one suitable for faceting as a gemstone

Hypacrosaurus is an extinct genus of duck-billed dinosaur from Late Cretaceous North America

Petrified Wood Bookends (Arizona) 507ab8d06fe18ca7f56c6d954b848ca3 but also intermixed throughout theFrom ancient Greek meaning "wood turned into rock", Petrified Wood is a form of fossilization where all the organic matter combines with minerals (usually a silicate, such as quartz) during a process called per mineralization. In order for wood to become petrified it must be completely covered by sediment, thereby depriving the wood of oxygen. Simultaneously, there must be a mineral rich water source close by. Over time, the water delivers the