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>> No.50669461 [View]
File: 49 KB, 624x417, Gold Alloys Composition.png [View same] [iqdb] [saucenao] [google]
50669461

>>50669444
>It's not the alloy that's to blame
It is though.

>> No.50256151 [View]
File: 49 KB, 624x417, Gold Alloys Composition.png [View same] [iqdb] [saucenao] [google]
50256151

>>50250837
>Because they reduced the amount of gold and added more copper.
No, it's because the copper wasn't balanced out with a white metal like silver.

>> No.49691262 [View]
File: 49 KB, 624x417, Gold Alloys Composition.png [View same] [iqdb] [saucenao] [google]
49691262

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