Difference between revisions of "Green gold"
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== Description == | == 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. | + | 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: | |
| − | + | * Deep green gold (18K): Gold 75%, Silver 15%, Copper 6%, Cadmium 4% | |
| − | + | * Soft green gold (18K): Gold 75%, Silver 25% (dark green in color) | |
| − | + | * Green gold (18K): Gold 75%, Silver 20%, Copper 5% | |
| − | + | * Light green gold (18K): Gold 75%, Copper 23%, Cadmium 2% | |
| − | + | * Green gold (15K): Gold 62.5%, Silver 33.3%, Copper 4.2% | |
| − | + | * Deep green gold (14K): Gold 58.5%, Silver 37%, Copper 4.5% | |
| − | + | * 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]]. |
| + | |||
| + | ==Resources and Citations== | ||
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p.372 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p.372 | ||
Latest revision as of 12:56, 30 August 2022
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:
- Deep green gold (18K): Gold 75%, Silver 15%, Copper 6%, Cadmium 4%
- Soft green gold (18K): Gold 75%, Silver 25% (dark green in color)
- Green gold (18K): Gold 75%, Silver 20%, Copper 5%
- Light green gold (18K): Gold 75%, Copper 23%, Cadmium 2%
- Green gold (15K): Gold 62.5%, Silver 33.3%, Copper 4.2%
- Deep green gold (14K): Gold 58.5%, Silver 37%, Copper 4.5%
- Green gold (14K): Gold 58.5%, Silver 35%, Copper 6.5%
2) A chloroaniline dye complexed with nickel. See Nickel azo green.
Resources and Citations
- 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