Green Tourmaline Ring, Tourmaline Engagement Ring, Oval Tourmaline Proposal Ring, 14k Rose Gold Ring, Handmade Jewelry, Green Gemstone Ring Main Stone: Tourmaline ( Lab - Created ) Main Stone Color: Green Main Stone Shape: Oval Birth Month: October S I L V E R J E W E L R Y C A R E Silver is not the best friend of oxygen and sulfur; it can be oxidized and tarnished from time to time it is the nature of silver. To keep the silver shiny and prevent it from oxidizing fast, we would recommend…