Has been divided into two kinds, symbolism of color and symbolism of form. Of colors, black typifies grief and death; blue, hope, love of divine works, divine contemplation, piety, sincerity; pale blue, power, Christian prudence, love of good works, serene conscience; gold, glory and power; green, faith, immortality, resurrection, gladness; pale green, baptism; grey, tribulation; purple, justice, royalty; red, martyrdom for faith, charity, divine love; rose-color, martyrdom; saffron, confessors; scarlet, fervour and glory; silver, chastity and purity; violet, penitence; white, purity, temperance, innocence, chastity, and faith in God. Instances of form: Anchor typifies hope; palm, victory; sword, death or martyrdom; the lamb, Christ; unicorn, purity. Of stones, moreover, the amethyst typifies humility; diamond, invulnerable faith; sardonyx, sincerity; sapphire, hope, etc.