Emerald Magickally: Growth, peace, love, harmony, patience, fidelity, honesty, reduce depression, aid sleep, money, mental & psychic abilities, protection, exorcism, eyes, healing. Every crystal purchased is cleansed before shipping and comes with information on the crystal free of charge CRYSTAL SIZES:Small = 5mm - 10mmMedium = 10mm - 20mmLarge = 20mm - 30mmX-Large = 30mm - 40mm