Revelation 21:19

21:19 The foundations of the city’s wall are decorated with every kind of precious stone. The first foundation is jasper, the second sapphire, the third agate, the fourth emerald,

Revelation 22:18

22:18 I testify to the one who hears the words of the prophecy contained in this book: If anyone adds to them, God will add to him the plagues described in this book.