Rock crystal is a transparent stone associated with the birth month of April as well as the astrological sign of Gemini. Renowned for its numerous benefits and virtues on an emotional and spiritual level, rock crystal has clear and pure energy. It promotes mental clarity, strengthens intuition and amplifies positive energies. Rock crystal is often used in healing and meditation practices to balance and harmonize the chakras. It is also considered an energy amplifier, helping to manifest intentions and clarify goals.