A variety of corundum, sapphire with its blue colour, from pale blue to deep blue, comes in various hues, from colourless to purplish, straw yellow to orange yellow. There are also green, pink, purple and black sapphires, though they are very rare. Originally found in Australia, Burma, Sri Lanka and Thailand, it is associated with softness, communication and tenderness. In the East, it is the symbol of the flower of irrationality, growing from the heart of the wise man to his brain. The mythical flower brings to cold and dry intelligence intuitive knowledge and universal love, gushing from the soul, as inexhaustible as water flowing from its source. Tradition says that Moses was given the 10 Commandments on tablets of sapphire. In ancient Rome and Egypt, it was the sacred stone of justice and truth. This stone establishes a powerful bond between people. It has the reputation of reinforcing relationships between beings. 45 years of marriage, the sapphire wedding anniversary...