Green tourmaline is thought to promote happiness and calmness...who knew? It is also the gemstone t to give for your 8th wedding anniversary. This simple sterling silver stacking ring is a great gift, or an addition to a collection of stackable rings. Here are the details: This ring is made with either an approximately 5-6mm bezel set green tourmaline on a sturdy sterling silver band handmade in your size. It can be worn with other stackable rings, or by itself. Handmade by Barb Macy in Corvalli