And that all seas are made calme and still with oile; and therefore the Divers under the water doe spirt and sprinkle it abroad with their mouthes because it dulceth and allaieth the unpleasant nature thereof, and carrieth a light with it.
Pliny the ElderMade up of the glories of the most precious gems, to describe them is a matter of inexpressible difficulty. For there is amongst them the gentler fire of the ruby, there is the rich purple of the amethyst, there is the sea-green of the emerald, and all shining together in an indescribable union. Others, by an excessive heightening of their hues equal all the colours of the painter, others the flame of burning brimstone, or of a fire quickened by oil.
Pliny the Elder