It is calming, soothing, and cleansing, and inspires truth, trust and letting go. In ancient lore this stone was believed to be the treasure of mermaids, and was used by sailors as a talisman of good luck, fearlessness and protection. It was also considered a stone of eternal youth and happiness.
lapis lazuli
Using Lapis Lazuli Stones For Healing. This blue stone is well known for its healing properties and its energy may be an aid to heal weakness within the thyroid gland Lapis Lazuli is one of the most sought after stones in use since man's history began. Its deep, celestial blue remains the symbol of royalty and honor, gods and power, spirit and vision. It is a universal symbol of wisdom and truth. ... Its name comes from the Latin lapis, "stone," and the Persian lazhuward, "blue."