by Fr. William Saunders Other Articles by Fr. William Saunders The Chrism Mass 03/25/05 Would you please explain the significance of the Chrism Mass? On Holy Thursday morning (in some dioceses it may be another morning during Holy Week), the bishop, joined by the priests of the diocese, gather at the Cathedral to celebrate the Chrism Mass. This Mass manifests the unity of the priests with their bishop. Here the bishop blesses three oils — the oil of catechumens (oleum catechumenorum or oleum sanctorum), the oil of the infirm (oleum infirmorum) and holy chrism (sacrum chrisma) — which will be used...