The material of the wall was jasper; and the city was pure gold, like clear glass. The foundation stones of the city wall were adorned with every kind of precious stone. The first foundation stone was jasper; the second, sapphire; the third, chalcedony; the fourth, emerald; Revelation 21:18-27
So also we, while we were children, were held in bondage under the elemental things of the world. But when the fullness of time came, God sent forth His Son, born of a woman, born under the Law, so that He might redeem those who were under the Law, that we might receive the adoptions as sons.