Fusing platinum to 18k gold

Is there anyone out there that has on fusing
platinum and 18k yellow gold together for mokume gane?

Danny: I do not think one can fuse platinum and 18K gold too
readily. Ther is too great a disparity in the melting points of
the metals involved to have fusion take place without melting the
gold. An 18K palladium and an 18K green gold can be fused and the
combination will result in an attractive billet for Mokume Gane
patterning, with close to the same appearance you are trying to

Joe Dule