.999 fine silver is whiter in appearance than .925 sterling silver and tarnishes less. It does not trigger allergies in people sensitive to nickel or other alloys.
Tourmaline is a coveted stone that comes in a wide range of colors from black to pink, green and blue. Crystals which display more than one color together are common. A cross-section of a watermelon tourmaline crystal reveals green on the outside and pink within.