METAL ALLOYS used in vintage jewellery - a little science for you
We see many mysterious metals used in the vintage and antique jewellery which passes through our hands. Whilst we can test the various carats of Gold, Silver and Platinum (sometimes even these give us surprises), much of the base metal we can't test and so have to be circumspect in our descriptions. The information about many of these alloys is almost lost to time; except that we happen to have a copy of SPON's Workshop Receipts (recipes to you and I) which gives the following information, taken directly from the text: