It revealed that the composition of the object was mostly a mix of copper alloy (75%), with tin (7%) and lead (18%). The Norton Disney dodecahedron measures around 8cm across and weighs 245 grams.

The dodecahedron found at Norton Disney was analyzed to consist out of 75% copper, 7% tin and 18% lead, with a width of 8.6 cm and weighing in at 254 grams. The polyhedral gold bead from Khao Sam ...