Glutinate: as Galactitis, Melites.
Scarify: as Morochtus.
Break the stone: as Lapis Lyncis, Lapis Judaicus, Lapis Sponge.
Retain the fruit in the womb: as Ætitis, Jasper.
Provoke the menses. Ostracites.
Stones altering by a hidden property (as they call it,) are
Bezoar, Topaz, Lapis Colubrinus, Toadstone, Emerald, Alectorius, Calcidonius, Amethist, Saphyr, Jasper, Lapis Nephriticus, Lapis Tibernum, Lapis, Spongites, the stone found in the maw of a Swallow, Load-stone, Lapis Vulturis, Merucius, Coral, Lynturius, Jet, Ætites, the stones of Crabs, Amber, Crystal, &c.
The Load-stone purges gross humours.
Lapis Armenius and Lapis Lazuli, purge melancholy.
Pyrites heat and cleanse, take away dimness of sight. Dioscorides. Lapis Asius binds and moderately corrodes and cleanses filthy ulcers, and fills them up with flesh; being mixed with honey, and applied to the place, is an admirable remedy for the gout.