Nickel is a naturally-occurring metallic element with a silvery-white, shiny appearance. It is the fifth-most common element on earth and occurs extensively in the earth’s crust and core. Nickel, along with iron, is also a common element in meteorites and can even be found in small quantities in plants, animals and seawater.
For more detailed information by the Nickel Institute - click here
For the video on Nickel by the Nickel Institute - click here
For more information by the Minerals Education Coalition - click here