The density data shows that GNOME novelty is primarily in the chemical axis with mixed structural novelty. This is explained by the high presence of exotic elements within the bulk of the GNOME materials with many containing elements from the lanthanides and actinides. Against a large experimental corpus, chemical novelty is likely going to be more easily attained as many of these elements are expensive and difficult to work with experimentally. However, there remain a few high novelty compounds that have the potential for realistic synthesis including Li 3 Zr 3 Co 8 P 6 and LiBr 4 O 10 . Although, being on the convex hull does not guarantee synthesizability. This view, however, provides a useful filter for selecting valuable materials for experimental synthesis based on their difference from an existing corpus and will hopefully enabled more diversified searches and quantification of novelty.