Grey gold alloys are made by adding silver, manganese and copper in specific ratios to the gold.
Read more about this topic: Red Gold
Famous quotes containing the words grey and/or gold:
“Perhaps you have been busy
Horse-whipping Sal or Lizzie,
Stealing some poor man’s baby,
Selling its mother, maybe.”
—Jane Grey Swisshelm (1815–1884)
“There is too much sour grapes for my taste in the present American attitude. The time to denounce the bankers was when we were all feeding off their gold plate; not now! At present they have not only my sympathy but my preference. They are the last representatives of our native industries.”
—Edith Wharton (1862–1937)
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