Size is approximately 1.3"-2.3"; Weight is approximately 0.09-0.13 lb; Quantity:1Pc. Since the crystals are natural, the crack or chips will be normal, the sizes and colors of them are different with each other, we will send what we have by random.Material: natural stone, crystal cluster, quartz cluster, raw quartz, healing crystals, rough stone. Shape: Irregular, Raw, Freefrom; Chakras: Third Eye Chakra, Crown Chakra; Zodiac: Virgo, Sagittarius, Capricorn, Aquarius, Pisces; Planet–Jupiter; Element:Air, Water. Birthstone:February; Energy:Receptive.Use for: healing, meditation, massage, reiki, display, protection, fengshui, absorb negative energy, changing bad vibrations, expanding the mind.Metaphysical properties: symbolizes wisdom, deep love, devotion & peace of mind; balances emotional highs and lows , used to calm anxiety; amplifies creative vibes. Each piece is unique, keep in mind that the piece you will receive may have certain differences in the shape of the stone, but the same quality.Amethyst was traditionally used by the Greeks to protect themselves from overindulging, assisting with visualization, and balancing their emotions. We consider this a must-have. Our stones are never artificially dyed or treated. The back and base are absolutely natural.