1 1/8" Diameter Copper Sphere - 120g Weight, Polished

Polished copper sphere approximately 1 1/8" in diameter Spheres are 0.999 pure copper, and mined In the United States Each sphere weighs approximately 120g (4.25 oz.) Polished and smooth, the copper ball shines brightly In the light Perfect size for a classroom or office desk This brilliant sphere of copper is perfect for use as a display or study piece in the classroom, office, or home. The surface has been lovingly polished to be perfectly smooth. At 0.999 pure copper, this sphere weighs 120 grams, a great way to demonstrate specific and relative density. Makes a great addition to any collection. Each copper ball is 1 1/8" in diameter and weighs approximately 120g (4.25 oz.). The copper is mined and worked in the USA.