Icon structure Nickel (Ni) chemical element round shape circle black File:Jefferson Nickel Unc Obv.jpg Wikimedia Commons Facts About Nickel Live Science Nickel (Ni) Periodic Table [Element Information & More] Pictures, stories, and facts about the element Nickel in the Periodic Table Nickel Chemical Element High Resolution Stock Photography and Images. Substantial Cast aluminum bells feature a pair of metal spheres as clappers, and strung on a wire cord. A dome shaped bell of sand cast aluminum, paired with a triangular, polished oak sail oiled for weatherproofing. Choose from the nickel or antique brass finishes.