Petrified Wood Slab Megalodon Depending on the minerals present

Depending on the minerals present during fossilization

Amethyst has been sought after since ancient times as a gemstone and decorative object

Amethyst is often found in spectacular geodes

a ghost or phantom of the crystal during its formation still remaining in the interior

highly variable Chalcedony spheres or roses are almost geode-like in appearance and one can clearly see the process of geode or agate formation in progress in each specimen

Petrified Wood Slab Megalodon Depending on the minerals presentPerhaps the most well known fossil material in the world, petrified wood is not wood at all but rather the fossilized remnants of trees from millions of years ago. Tree trunks, limbs, and branches that died under conditions that favor fossilization gradually become replaced with minerals until what remains is a replica of the original piece of wood consisting entirely of mineral material. Like the trees they capture the form of, each is unique and