Tourmaline Ring Journal & Stationery Bring the wonders of physics

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Tourmaline Ring Journal & Stationery Bring the wonders of physicsThis ring features natural tourmaline gemstones set in sterling silver. Tourmaline is a complex borosilicate mineral that occurs in a wide range of colors, often forming elongated, striated crystals. Details: Material: Natural tourmaline set in sterling silver (92. 5% silver, 7. 5% copper) Appearance: Vibrant, polished stone, color may vary from pink, green, or multicolored Formation: Forms in igneous and metamorphic rocks through boron rich fluids