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Gold Alloy Composition
Karat & Color Au Ag Cu Cd Zn Ni Pd Fe Other Density
22K Rose91.7%8.3%
22K Yellow91.7%8.4%
22K Yellow91.7%5.5%2.8%17.9
22K Bright Yellow91.7%5%2%1.3%
22K Dark Yellow91.7%3.2%5.1%17.8
21K Yellow Pink87.5%4.5%8%16.8
20K Bright Purple83.3%16.7% Al
18K Red75%25%15.18
18K Red75%25% Al
18K Rose75%2.75%22.25%
18K Pink75%5%20%
18K White75%5%10%10%14.64
18K White75%2.5%10%4.5%8%
18K White75%25%
18K White75%5%10%10%
18K Soft White75%8%17%
18K Soft White75%25%
18K Hard White75%3.7%5%16.3%
18K Green-Yellow75%25%
18K Light Green75%23%2%
18K Green75%20%5%15.9
18K Deep Green75%15%6%4%
18K Pale Yellow75%16%9%15.6
18K Blue-White or Blue75%25%
18K Bright Yellow75%10%15%15.58
18K Yellow75%12.5%12.5%15.45
18K Yellow75%15%10%
18K Light Yellow75%11.5%13.5%
18K Grey75%8%17%
18K Brown75%6.25%18.75%
18K Orange75%3.6%21.4%
15K Green62.5%33.3%4.2%
14K Yellow58.5%30%11.5%13.07
14K Bright Yellow58.5%12.5%29%
14K Deep Green58.5%37%4.5%
14K Green58.5%35%6.5%14.2
14K Green58.5%41.5%
14K Red58.5%41.5%13.26
14K White58.5%4.5%12%6%8%12.61
14K White58.5%23%7.5%11%
14K White58.5%32%9.5%
14K White58.5%25%3.2%12.3%
14K Rose58.5%10%31.5%
14K Black58.5%41.5%
14K Orange58.5%6%35.5%
12K Red or Deep Pink50%50%
12K Bright Yellow50%16%34%
12K Green50%40%10%
10K Rose41.7%20%38.3%
10K Yellow41.7%52%6.3%11.57
10K Bright Yellow41.7%20.3%38%
10K Green41.7%11.03
10K White41.7%47.4%0.9%10%
10K White41.7%59%11.07
10K White41.7%28%17%17.5%
10K White41.7%32.8%8.4%17.1%
9K Rose37.5%20%42.5%
9K White37.5%62.5%
9K Pale Yellow37.5%55%7.5%
9K Yellow37.5%42.5%20%
9K Rich Yellow37.5%31.25%31.25%
Imitation Yellow (~5K)Au (17-25%), Ag (10-27%), Cu (40-60%), Zn (3-12%)




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