Ceraunia, engendered by the thunder, sparkled by the side of Chalcedonies, which are a cure for poison.
"Salammbo"
Gustave Flaubert
And when he had done all that the serpent had told him, you could see the whole orchard mantled with emeralds and Chalcedonies, and coated with rubies and carbuncles, so that the lustre dazzled your eyes.
"Stories from Pentamerone"
Giambattista Basile