Quote Originally Posted by exsecratio View Post
a 5mm diameter sphere has a volume of 65.44984694978734 cubic millimeters (0.065449847 cubic centimeters)

pure golds atomic weight is 19.32 grms per cubic centimeter

0.065449847 x 19.32 = 1.2644901 grms for a pure gold sphere 5mm in diameter.

Best wishes

dave
o-m-g !!!!