Wear the earth's artistry on your finger. This natural tourmaline sterling silver ring showcases a vivid, polished tourmaline stone — each one uniquely formed over millions of years in igneous and metamorphic rock. No two are alike in color or character. Details: Stone: Natural tourmaline — color varies from pink, green, to multicolored Setting: Sterling silver (92.5% silver, 7.5% copper) Hardness: Mohs 7–7.5 with a beautiful vitreous luster Formation: Crystallized through boron-rich hydrothermal fluids in igneous and metamorphic rock Size: Ring Size 6 Tourmaline is prized by collectors and crystal lovers alike for its exceptional color range and energetic properties. Whether you're drawn to its geological complexity or its vibrant natural beauty, this ring makes a meaningful statement piece.