Question

name the two types of black gold​

Answer 1

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Answer:

There is gold that has been blackened, however. According to Calla Gold, a jeweler located in Santa Barbara, there are four ways gold can appear black: Oxidation. Special acids when applied to the surface of gold cause it to darken or “oxidize.”

Answer 2

Answer:

According to Calla Gold, a jeweler located in Santa Barbara, there are four ways gold can appear black:

• Oxidation. Special acids when applied to the surface of gold cause it to darken or “oxidize.”
• Blackening. ...
• Black enamel. ...
• Black Rhodium Plating.