The elder Pliny has commemorated the vapour baths of Posides, a Claudian freedman, and the thirty pillars of priceless onyx which adorned the dining saloon of Callistus.
"Roman Society from Nero to Marcus Aurelius"
Samuel Dill
He would also press upon that person a silk purse with an onyx clasp, containing twenty-five taels, as a deliberate mark of his individual appreciation and quite apart from anything to do with the transaction on hand.
"Kai Lung's Golden Hours"
Ernest Bramah Commentator: Hilaire Belloc
He said in his great heart's vanity, "I will fashion a wondrous thing To stand in a palace of onyx And blind the eyes of a king."
"A Legend of Old Persia and Other Poems"
A. B. S. Tennyson