YELLOW CALCITE (The Wish Granting Stone) doubles the intention of its wearer and is believed to be a magical crystal that is said to double existing power, strength, health, prosperity, and good fortune. Also enhances intellect. If you were to choose only one type of crystal for all the various healing and spiritual energies, calcite would be an excellent choice. Promotes concentration and focus. Brings in spiritual light and knowledge. Assists in healing past sorrows. Aids hormonal imbalances. It assists one in completing a seemingly complex task and long-term projects flawlessly. It provides one the mental power to solve problems efficiently.