Green gold

Description

1) Malleable gold alloys used in jewelry making. Green gold has a greenish tint that ranges from light to dark due to its relatively high proportion of silver.

 Compositions are:   

º Deep green gold (18K): Gold 75%, Silver 15%, Copper 6%, Cadmium 4%

º Soft green gold (18K): Gold 75%, Silver 25% (dark green in color)

º Green gold (18K): Gold 75%, Silver 20%, Copper 5%

º Light green gold (18K): Gold 75%, Copper 23%, Cadmium 2%

º Green gold (15K): Gold 62.5%, Silver 33.3%, Copper 4.2%

º Deep geen gold (14K): Gold 58.5%, Silver 37%, Copper 4.5%

º Green gold (14K): Gold 58.5%, Silver 35%, Copper 6.5% 2) A chloroaniline dye complexed with nickel. See Nickel azo green.

Sources Checked for Data in Record

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p.372

• Monona Rossol, The Artist's Complete Health and Safety Guide, Allworth Press, New York, 1994

• A History of Technology, Charles Singer, E.J. Holmyard, A.R. Hall (eds.), Clarendon Press, Oxford, Volume 1: From Early times to Fall of Ancient Empires, 1954