Edmontosaurus Chevron ed32456c059749639848a8dc79b96d64 it is the hardest form

it is the hardest form of Garnet

Opal is composed of hydrated silica

The extinct Neanderthal had unique features

to flying dinosaurs (pterosaurs) with their primitive wing feathers perfectly preserved

Collectors of gems and minerals are attracted to Boleite due to its unusual chemical composition

Edmontosaurus Chevron ed32456c059749639848a8dc79b96d64 it is the hardest formA hadrosaur chevron is a v shaped bone on the underside of the tail of a duck billed dinosaur that protected nerves & blood vessels. These bones also anchored tendons and ligaments, contributing to the tail's flexibility, strength, and balance. They were part of a series of bones called haemal arches that collectively formed a canal to safeguard the tail's vital structures. Edmontosaurus was a genus of Hadrosaurid "Duck Billed" dinosaur, a huge beast