It shone with the glory of God, and its brilliance was like that of a very precious jewel, like a jasper, clear as crystal. (NIV)
Clothed in God's glory [in all its splendor and radiance]. The luster of it resembled a rare and most precious jewel, like jasper, shining clear as crystal. (AMP)
Having the glory of God: and her light was like unto a stone most precious, even like a jasper stone, clear as crystal; (KJV)