Both may be meant .
Lapis - lazuli seems more probable as its qualities are better suited for the purposes of engraving ( Lam. , iv , 7 ; Ex. , xxviii , 17 ; xxxix , 13 ) .
Both may be meant , but lapis - lazuli seems more probable as its qualities are better suited for the purposes of engraving ( Lam. , iv , 7 ; Ex. , xxviii , 17 ; xxxix , 13 ) .