'Pearls' in the Bible

"Give not that which is holy to the dogs, nor throw your pearls to the swine; otherwise they will trample them under their feet and then turn and attack you.

"Again the Kingdom of the Heavens is like a jewel merchant who is in quest of choice pearls.

and I would have the women dress becomingly, with modesty and self-control, not with plaited hair or gold or pearls or costly clothes,

The woman was clothed in purple and scarlet, and was brilliantly attired with gold and jewels and pearls. She held in her hand a cup of gold, full of abominations, and she gave filthy indications of her fornication.

cargoes of gold and silver, of jewels and pearls, of fine linen, purple and silk, and of scarlet stuff; all kinds of rare woods, and all kinds of goods in ivory and in very costly wood, in bronze, steel and marble.

weeping aloud and sorrowing, and saying, 'Alas, alas, for this great city, which was brilliantly arrayed in fine linen, and purple and scarlet stuff, and beautified with gold, jewels and pearls;

And the twelve gates were twelve pearls; each of them consisting of a single pearl. And the main street of the city was made of pure gold, resembling transparent glass.