Difference between revisions of "Green gold"
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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. | 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 [ | + | 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|nickel azo green]]. | ||
== Authority == | == Authority == | ||
Revision as of 09:12, 16 January 2014
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.
Authority
- 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