Photos by OC-Travel |
The urns are labelled O.S. (Oleum Sanctum/Oleum Catechumenorum) for Oil of the Catechumens, S.C. (Sacrum Chrisma) for Sacred Chrism, and O.I. (Oelum Infirmorum) for Oil of the Sick. Chrism oil is consecrated by the bishop during the annual Chrism Mass at the cathedral while the other two are blessed by the bishop in the same ceremony. Sacred Chrism is used for Baptism, Confirmations and Ordinations. In addition, the urns are customarily veiled in some places after the oils are blessed, seen below. The three colors are rich with symbolism: green for the oil of catechumens, white for sacred chrism and violet for the oil of the sick.
The veils can add color and solemnity to the rite of blessing, known in the EF as the Ritus Solemnis pro Consecratione Oleorum.
Other smaller urns are seen at individual parishes, seen below.