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:
“That reverend Vice, that grey Iniquity, that father Ruffian,
that Vanity in years.”
—William Shakespeare (1564–1616)
“And the Goddess?
She stands
between the worlds.
She is ivory,
her breast bare, her bare arms
braceleted with gold snakes.”
—Denise Levertov (b. 1923)