Brazilian Agate Druzy "Crystal" Carving 4088cb6a14ffe167bdb981e2af1df8a2 white streaks

white streaks

eurypterid fossils are uncommon in the fossil record because of the special conditions needed for preservation of their exoskeleton that was not mineralized

and the Neolithic

Furthermore

Such conditions existed in several fossils site within New York’s Bertie group from which this Eurypterus remipes comes

Brazilian Agate Druzy "Crystal" Carving 4088cb6a14ffe167bdb981e2af1df8a2 white streaksAgate is a form of Chalcedony, made up of 90% quartz and 10% morganite. It is composed of microscopically fine fibrous crystals, and it normally shows color banding, stripes, whirls, bull's eye and other random patterns due to impurities in the quartz. Igneous rock is formed by lava and volcanic activity. This activity can form pockets bubbles in the rock, similarly to Swiss cheese. When these pockets are formed in an area close to water, the water