The best zodiac signs for labradorite are Leo, Scorpio, Sagittarius, Pisces, and Aquarius, though it is compatible with most signs. This is because labradorite aligns with the transformative, intuitive, and protective properties often associated with these signs, helping Leo, Scorpio, and Sagittarius embrace spiritual growth and uniqueness, while aiding Pisces in grounding and Aquarius with their visionary ideas. 
Labradorite's spiritual meaning centers on transformation, protection, and spiritual growth. It is often called the "stone of magic" and is believed to enhance intuition, promote mental clarity, and shield the aura from negative energy. The stone is also associated with the third eye, crown, and throat chakras, supporting psychic abilities and clear communication.