New Jerusalem Gemstone Earrings Recreation 3.5. 12 Gemstones of the 12 foundation stones in New Jerusalem mentioned in the Book of Revelation 21:19-20. The first 6 stones on one earring, and the next six stones on the other earring. The earrings are 3.5 inches long. Each bead has its own link. It is an inch longer than the 2.5 earrings. The beads are 8mm in size. Information sheet included.