The chrismarium comprises three individual vessels, which may be shaped like jars, ampullae, or cylindrical boxes. The first vessel, usually marked I. or INF., contains oil for the anointing of the sick; the second, usually marked CAT., contains the oil of catechumens; the third, usually marked CHR., contains chrism.
In a liturgical context, the chrismarium comprises three separate containers that can be shaped like jars or boxes. The first container, typically marked I. or INF., stores oil for the anointing of the sick; the second, usually marked CAT., contains oil for catechumens; and the third, usually marked CHR., holds chrism.