Aquamarine on Muscovite aad513ba9c7e9c3f32d393e075f4015b and eyes on top of

and eyes on top of the head to easily spot predators

the green and red colors contrast

As with any natural mineral

it is theorized the beast was only able to hold onto its prey with its short arms long enough to bite enough flesh for a meal

eurypterids were segmented aquatic arthropods

Aquamarine on Muscovite aad513ba9c7e9c3f32d393e075f4015b and eyes on top ofAquamarine is a light blue variety of beryl with hints of green. The blue color comes from the presence of ferrous iron, and without it or another impurity, beryl would be clear. Other noteworthy types of beryl include emerald, heliodor, and morganite. The name Aquamarine translates as you might expect, "aqua marina" meaning "water of the sea" in Latin. It is a highly sought after mineral that is most often cut and faceted to use as a gemstone in