Fill the heart cage pendant with the stone to fit how you feel that day. Each polished gemstone is said to emit a different level of energy. Aventurine: Luck, Amethyst: Thoughtfulness, Fluorite: Decisiveness, Howlite: Calming, Rock Quartz: Confident, Rose Quartz: Loving, Tiger's Eye: Sociable. Steel cage is suspended by an adjustable black cord to fit most.