觀無量壽佛經疏 3.137

3.137

六、從有八十億光明下，至莊嚴事已來，正明身服光瓔非眾寶作。

Sixth, from "Having eighty billion rays of light" down to "matters of adornment," it properly explains that the bodily garments and radiant necklaces are not made of worldly jewels.