6mm Green Gold Aventurine Crystal & 4mm White Silver Quartz Agate (Green Gold Aventurine , a comforter and heart healer and general harmoniser. Brings body back into control and is useful in malignant conditions. It settles nausea and dissolves negative emotions and thoughts.Cleans heart chakra of fear and promotes a sense of emotional safery and security. (Creamy White Chalcedony - Top Chakras) healing power, concentrate, enhance memorize, brings luck.)