"Pure light" is a discovery of modern science and tests have revealed the top 12 jewels which display all the colors of the rainbow under "pure light" .... and they match up with the stones of the New Jerusalem ... more proof that God authored the bible .
Revelation 21: 19-20
The foundations of the city walls were decorated with every kind of precious stone. The first foundation was jasper, the second sapphire, the third agate, the fourth emerald, the fifth onyx, the sixth ruby, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth turquoise, the eleventh jacinth, and the twelfth amethyst.
Revelation 21: 23
The city does not need the sun or the moon to shine on it, for the glory of God gives it light, and the Lamb is its lamp.
Here is an excellent video that explains it
http://www.youtube.com/watch?v=BrdCru5Q6lQ&ved=0CBAQqwQ4Cg&ei=ywqhUuCdLuTe2QW7soCIAQ&sa=X&desktop_uri=%2Fwatch%3Fv%3DBrdCru5Q6lQ%26sa%3DX%26ei%3DywqhUuCdLuTe2QW7soCIAQ%26ved%3D0CBAQqwQ4Cg&app=desktop
Revelation 21: 19-20
The foundations of the city walls were decorated with every kind of precious stone. The first foundation was jasper, the second sapphire, the third agate, the fourth emerald, the fifth onyx, the sixth ruby, the seventh chrysolite, the eighth beryl, the ninth topaz, the tenth turquoise, the eleventh jacinth, and the twelfth amethyst.
Revelation 21: 23
The city does not need the sun or the moon to shine on it, for the glory of God gives it light, and the Lamb is its lamp.
Here is an excellent video that explains it
http://www.youtube.com/watch?v=BrdCru5Q6lQ&ved=0CBAQqwQ4Cg&ei=ywqhUuCdLuTe2QW7soCIAQ&sa=X&desktop_uri=%2Fwatch%3Fv%3DBrdCru5Q6lQ%26sa%3DX%26ei%3DywqhUuCdLuTe2QW7soCIAQ%26ved%3D0CBAQqwQ4Cg&app=desktop