Grey gold alloys are made by adding silver, manganese and copper in specific ratios to the gold.
Read more about this topic: Colored Gold
Famous quotes containing the words grey and/or gold:
“Fretted shadow on stumps
A vanishing husk
Of light . . . grey lumps
Of stone verge the hills with fears.
It is quickly dusk.”
—Allen Tate (1899–1979)
“I am a lantern—
My head a moon
Of Japanese paper, my gold beaten skin
Infinitely delicate and infinitely expensive.”
—Sylvia Plath (1932–1963)