Density of commonly used jewellery alloys and elements
To convert the weight of a known alloy to the weight of another alloy it is a simple matter of comparing the densities of the alloys and can be expressed by the following formula: For example, to find the equivalent weight of an article in 9ct Yellow when the known weight is say 50gms in 18ct Yellow: For example, to find the equivalent weight of an article in 18ct Yellow when known weight is say 50gms in 9ct Yellow: Gold Alloy Fineness |