Fluorite eases stress. It comes in a variety of colors, such as green, blue, purple, and yellow. Each color has a specific meaning. Purple connects with divinity and brings spiritual balance. Green is a healing stone, especially for the heart. Blue soothes emotions. These have sterling silver posts and come with plastic earring backs. The picture shows the quality of the item you will receive. The individual colors may vary. The price listed is for one pair of earrings. These are random pull.