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单词 Coloured Gold
释义

Coloured Gold

英语百科

Colored gold

Ternary plot of different colors of Ag-Au-Cu alloys
Rhodium-plated white gold wedding ring
Gold-aluminium phase diagram

Pure gold is slightly reddish yellow in color, but colored gold in various other colors can be produced.

Colored golds can be classified to three groups:

Pure 100% gold is 24 karat by definition, so all colored golds are less than this, with the common being 18K (75%), 14K (58%), and 9K (38%).

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