Any chance for setting stones (gravers) in this alloy? Could
we raise the 24k to a point to allow setting of stones? Any
So long as you’ve got a purple color, your dealing with the
intermetallic compound, not a normal alloy structure. This mix
will never be even close to ductlile enough to raise a bead. But
you could drill a hole with abrasive bits (probably not so well
with true drill bits, but it’s worth a try. Might be clean
enough.). Into that hole, you could solder in a more
conventional alloy tube, into which you could burnish the stone.
Considerable care would be needed to avoid shattering the purple
gold. It’s important to note that the colored compound needs
specific ratios of gold atoms to copper atoms, for best color.
There are several ratios that work. the 1:1 given by the 18K
mix is the brightest purple. Other ratios give less intense or
lighter colors. But they are still brittle. The compound
doesn’t form homogenous mixes with excess 24 gold becoming, as
you hoped, more ductile. Stays pretty brittle. You’re best off
treating this as a material which is inlaid, such as stones
would be, except you can solder to it.