Swarovski Crystals are not actually crystals in the sense of natural stones. They are fine crystal glass made by Swarovski in Austria. Thus they have the energies of glass as well as color energies related to their color. They also bring positive energy, hope, joy, good luck, and diffuse negative energy.
White: The Moon rules these. Cleanliness, purity, unity, innocence: Use to establish trust in the universe, to guide you when you don’t know where you’re going, to guide you to knowledge or understanding, especially of the spiritual world.
Green: These are for healing. Help with money, luck, prosperity, grounding and nature. Use to give you strength and to help you succeed at anything. Associated with the Heart Chakra.
Blues: Calm emotions, sleep, healing, trust, faith, peace, patience, and honor: Use if you need to develop trust or want others to trust you. Use to forgive and be forgiven. Use to relax or relieve nervousness. Associated with the Throat Chakra.
Purple: Mysticism, purification, meditation, psychic work, subconscious, health, obedience, creativity, wisdom, self-knowledge, and intuition: Use to enlighten your spirit and decrease boredom. Use to gain deep insight into anything or anyone, including yourself. Associated with the Third Eye and Crown Chakra (depends on the depth of color).