19. And—so Syriac, Coptic, and Andreas. But A, B, and Vulgate omit. Compare Re 21:14 with this verse; also Isa 54:11.
all manner of precious stones—Contrast Re 18:12 as to the harlot, Babylon. These precious stones constituted the "foundations."
chalcedony—agate from Chalcedon: semi-opaque, sky-blue, with stripes of other colors [Alford].