Matthew 7:6
Give not that which is holy to dogs, neither cast ye your pearls before swine; lest they trample them under their feet, and turn upon you and rend you.
Matthew 13:45-46
Again, the kingdom of heaven is like a merchant seeking goodly pearls.
1 Timothy 2:9
In like manner also, that women, in seemly attire, adorn themselves with modesty and sobriety, not with braided hair, and gold, or pearls, or costly apparel;
Revelation 17:4
And the woman was clothed in purple and scarlet, decked with gold and precious stones and pearls, having a golden cup in her hand, full of abominations and the impurities of the fornication of the earth,
Revelation 18:12
merchandise of gold and of silver, and of precious stones and of pearls, and of fine linen and of purple, and of silk and of scarlet; and all citron wood, and all manner of vessels of ivory, and all manner of vessels of most costly wood, and of brass, and iron, and marble;
Revelation 21:21
And the twelve gates were twelve pearls; every several gate was of one pearl. And the street of the city was pure gold, like transparent glass.