What I would I like feedback on is personal recipes for alloying
24kt to produce as strong a green as possible.
For my own uses, I’ve always used just silver and gold, nothing else.
But that’s partly based on wanting an easy to make alloy, who’s
scraps are easily incorporated back into other alloys.
One of my favorite references for gold alloys is an old 1929 book
titled “Gold Alloys”, by british author George Gee. He’s got a table
of various colors of gold alloy used in those “floral” and other
multicolored pieces where the color of the golds used was more
important than the actual karat.
Here are the various Green’s he lists. I’ve not tried them, but here
they are… Au=Gold, Ag=silver,Cu=copper, CD=Cadmium
Green - 750 Au, 250 Ag (also listed elsewhere in the book for “fancy
work”) Dead Leaf Green - 700 Au, 300 Ag Water Green - 600 Au, 400 Ag
Greenish Yellow - 917 Au, 083 Ag Green - 750 Au, 167 Ag, 083 Cd Dark
Green 750 Au, 118 Ag, 090 Cu, 042 Cd Pale Green 750 Au, 125 Ag, 125 Cd
18K Green for enamelling - 750 Au, 212 Ag, 038 Cu
Hope these help.