Powdered pearl, zircon, emerald and coral cured plague. Carbonate of copper, pearls, charred stag's horn and coral cured blood poisoning, malaria and malignant fevers.Powdered kidney stone of a goat with white amber, red coral, crab's eyes, powdered hartshorn, pearl and black crab's claws was a basic life-saving cordial.
A long pearl was soaked in malt or in an infusion of serpent gall, honeycomb and pumice and then pulled to a length of two or three feet. Cut into short pieces, it was used as a youth elixir and to depress appetite. Seed pearls dissolved in distilled vinegar and oil of tartar forms a sediment and this powder, rinsed with pure water and dried, was an ideal face scrub. A tincture of pure rock crystal cured dropsy, lymphatic swelling or hypochondriac melancholy.
Jade, rice, and dew water boiled in a copper pot and filtered, hardened bones, made muscles strong and supple, calmed the mind and purified the blood.