plating condition got a lot to do with hardness, not just alloy...  
(additive too - such as brightener, for example).
ps.  I can see the weather is very good for golf in your neck of  
goods - we are ready for snow...;-(.
jk
On Oct 19, 2018, at 1:10 PM, <[log in to unmask]>  
<[log in to unmask]> wrote:

> Fellow TechNetters:
>
>    Are there any papers/studies out there that provides insight  
> into the golf hardness formulation by specifics alloys, Gold,  
> Copper, Silver, Nickel, Palladium, Zinc, Rhodium and platinum.
>
> Victor,