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:
“Towns are ... excrescences, grey fluxions, where men, hurrying to find one another, have lost themselves.”
—E.M. (Edward Morgan)
“Arrive in the afternoon, the late light slanting
In diluted gold bars across the boulevard brag
Of proud, seamed faces with mercy and murder hinting
here, there, interrupting, all deep and debonair,
The pink paint on the innocence of fear;
Walk in a gingerly manner up the hall.”
—Gwendolyn Brooks (b. 1917)