Gemstones of the Zodiac Helpful and healing gemstones for every zodiac sign Gemstones are more than just pretty ornaments. These natural, Earth-based beauties also have the power to heal, protect, relax and clarify. Certain gemstones are particularly beneficial for each zodiac sign. When thinking about which gem is appropriate for you, a friend or a loved one, consider not only Sun signs, but the Moon and Rising signs as well. Aries (March 21 - April 19) Diamond: Like Aries, a sign known for its strength and survival skills, the diamond is the hardest of the gems. The diamond carries masculine energy, evoking your inner warrior and helping you to pursue your goals and persevere in challenging times. Considered the stone of innocence and purity, this precious gem also assists you with attaining spiritual clarity and speaking your heart's truth. The diamond, associated with wealth, can help you attract abundance in all areas of life. Additi