... Rohs report for the product 1.material: tourmaline,lava & 316L stainless steel Tourmaline is a crystal silicate mineral compounded with ... as aluminium, iron, magnesium, sodium, lithium, or potassium. Tourmaline is classified as a semi-precious stone and the gem ... side of the pendant4. bio element:can add negative ion,far infrared ray,germanium and neodynium magnet5. Benefit:1st, enhances cellular ...