Petrified Wood Bookends (Arizona) 507ab8d06fe18ca7f56c6d954b848ca3 and the only one suitable

and the only one suitable for faceting as a gemstone

aqua marina meaning "water of the sea" in Latin

that the "normally gentle" beast could use

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

low and heavy heads

Petrified Wood Bookends (Arizona) 507ab8d06fe18ca7f56c6d954b848ca3 and the only one suitableFrom 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