Red Gold - Grey Gold

Grey gold alloys are made by adding silver, manganese and copper in specific ratios to the gold.

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Famous quotes containing the words grey and/or gold:

    “So, instead of spending my strength quarreling with the hand, I would strike for the heart of that great tyranny.”
    —Jane Grey Swisshelm (1815–1884)

    “All the gold which is under or upon the earth is not enough to give in exchange for virtue.”
    —Plato (c. 427–347 B.C.)