there is also the saltwater float test for lighter plastic dice.
https://www.youtube.com/watch?v=VI3N4Qg-JZM
Anyone know of an easy way to do metal dice?
https://www.youtube.com/watch?v=VI3N4Qg-JZM
Anyone know of an easy way to do metal dice?
Metal dice are less likely to have balance issues on the individual dice as long as the mold is balanced (because they are solid and heavy).
Source - I own a dice company.
Hahaha, not ready to dox myself yet but you can probably figure it out with a little digging.