This batch of tumbled is a clear sea-foam green color with bits of deeper aqua, medium in size, each piece measures approx. 1/2 " to 3/4". Properties:Reduces stress, courage, calming, protection on sea voyages, communication, throat chakra, intuition, clairvoyance, sleep, cleansing, helps pituitary, thyroid, hormonal balance. A mermaid stone. Uses: Put under your pillow, carry in a charm bag or pocket, hold while meditating, add to a jar candle spell.