Difference between revisions of "Green gold"

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   Compositions are:   
 
   Compositions are:   
 
º  Deep green gold (18K): Gold 75%, Silver 15%, Copper 6%, Cadmium 4%   
 
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  Soft green gold (18K): Gold 75%, Silver 25% (dark green in color)   
 +
 
º  Green gold (18K): Gold 75%, Silver 20%, Copper 5%   
 
º  Green gold (18K): Gold 75%, Silver 20%, Copper 5%   
 +
 
º  Light green gold (18K): Gold 75%, Copper 23%, Cadmium 2%   
 
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  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  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]].
 
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]].
  

Revision as of 10:12, 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

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