crux gemmata
... that the crux gemmata or "jeweled cross" was used to represent the New Jerusalem and the Tree of Life in Early Christian and Medieval art?
... that the <b id="mwF6w"><a href="./Crux_gemmata" id="mwF60" rel="mw:WikiLink" title="Crux gemmata">crux gemmata</a></b> or "jeweled cross"  was used to  represent the <a href="./New_Jerusalem" id="mwF64" rel="mw:WikiLink" title="New Jerusalem">New Jerusalem</a> and the <a href="./Tree_of_life" id="mwF68" rel="mw:WikiLink" title="Tree of life">Tree of Life</a> in <a href="./Early_Christian_art_and_architecture" id="mwF7A" rel="mw:WikiLink" title="Early Christian art and architecture">Early Christian</a> and <a href="./Medieval_art" id="mwF7E" rel="mw:WikiLink" title="Medieval art">Medieval art</a>?