Petrified Wood Slab Megalodon Aquamarine has a hexagonal crystal

Aquamarine has a hexagonal crystal structure and is highly prismatic

red and many other colors corresponding to their physical makeup and conditions when the mineral was formed

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

It is found in a wide range of shades from deep purple to pale violet and even pink

It rarely occurs in crystal form but is often found in botryoidal or fibrous formations

Petrified Wood Slab Megalodon Aquamarine has a hexagonal crystalPerhaps 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