Turquoise
Turquoise a Persian gem of a peculiar bluish green color, which was very generally used in the Middle Ages for the adornment of every species of sacred vessel, e.g. the chalice, ciborium, altar-cross, miter, and pastoral staff.
Turquoise a Persian gem of a peculiar bluish green color, which was very generally used in the Middle Ages for the adornment of every species of sacred vessel, e.g. the chalice, ciborium, altar-cross, miter, and pastoral staff.