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Gold Alloy Composition
Karat & Color
Au
Ag
Cu
Cd
Zn
Ni
Pd
Fe
Other
Density
22K Rose
91.7%
8.3%
22K Yellow
91.7%
8.4%
22K Yellow
91.7%
5.5%
2.8%
17.9
22K Bright Yellow
91.7%
5%
2%
1.3%
22K Dark Yellow
91.7%
3.2%
5.1%
17.8
21K Yellow Pink
87.5%
4.5%
8%
16.8
20K Bright Purple
83.3%
16.7% Al
18K Red
75%
25%
15.18
18K Red
75%
25% Al
18K Rose
75%
2.75%
22.25%
18K Pink
75%
5%
20%
18K White
75%
5%
10%
10%
14.64
18K White
75%
2.5%
10%
4.5%
8%
18K White
75%
25%
18K White
75%
5%
10%
10%
18K Soft White
75%
8%
17%
18K Soft White
75%
25%
18K Hard White
75%
3.7%
5%
16.3%
18K Green-Yellow
75%
25%
18K Light Green
75%
23%
2%
18K Green
75%
20%
5%
15.9
18K Deep Green
75%
15%
6%
4%
18K Pale Yellow
75%
16%
9%
15.6
18K Blue-White or Blue
75%
25%
18K Bright Yellow
75%
10%
15%
15.58
18K Yellow
75%
12.5%
12.5%
15.45
18K Yellow
75%
15%
10%
18K Light Yellow
75%
11.5%
13.5%
18K Grey
75%
8%
17%
18K Brown
75%
6.25%
18.75%
18K Orange
75%
3.6%
21.4%
15K Green
62.5%
33.3%
4.2%
14K Yellow
58.5%
30%
11.5%
13.07
14K Bright Yellow
58.5%
12.5%
29%
14K Deep Green
58.5%
37%
4.5%
14K Green
58.5%
35%
6.5%
14.2
14K Green
58.5%
41.5%
14K Red
58.5%
41.5%
13.26
14K White
58.5%
4.5%
12%
6%
8%
12.61
14K White
58.5%
23%
7.5%
11%
14K White
58.5%
32%
9.5%
14K White
58.5%
25%
3.2%
12.3%
14K Rose
58.5%
10%
31.5%
14K Black
58.5%
41.5%
14K Orange
58.5%
6%
35.5%
12K Red or Deep Pink
50%
50%
12K Bright Yellow
50%
16%
34%
12K Green
50%
40%
10%
10K Rose
41.7%
20%
38.3%
10K Yellow
41.7%
52%
6.3%
11.57
10K Bright Yellow
41.7%
20.3%
38%
10K Green
41.7%
11.03
10K White
41.7%
47.4%
0.9%
10%
10K White
41.7%
59%
11.07
10K White
41.7%
28%
17%
17.5%
10K White
41.7%
32.8%
8.4%
17.1%
9K Rose
37.5%
20%
42.5%
9K White
37.5%
62.5%
9K Pale Yellow
37.5%
55%
7.5%
9K Yellow
37.5%
42.5%
20%
9K Rich Yellow
37.5%
31.25%
31.25%
Imitation Yellow (~5K)
Au (17-25%), Ag (10-27%), Cu (40-60%), Zn (3-12%)
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