Blue symbolizes youth, spirituality, truth and peace. A pure blue is the color of inspiration, sincerity and spirituality. Blue gemstones to wear to feel calm are blue sapphire and blue topaz. Lapis lazuli and azurite are said to heighten psychic power.
Wear dark blue gemstones for a stable, calm conservative feeling. All shades of blue will help to make easy communication, whether it is with yourself or others.