Aluminum (Al) 24.26mm Metal Disc 99.9% Pure for Collection or Experiments

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic and ductile metal in the boron group. By mass, aluminium makes up about 8% of the Earth’s crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. The chief ore of aluminium is bauxite. -Wikipedia Quarter not included

Features

• One Disc, measures 24.26 mm x 1.75 mm
• Precision machined from high purity metal, ground surfaces, and laser etched labels
• Size of US Quarter
• Approximate weight 2.19g