Trilogy Ring with Tourmalinated Quartz and London Blue Topaz - 7x5 EmeraldOf all the beautiful gemstones on Earth, tourmalinated quartz is my absolute favorite. This very special gemstone is made of crystal clear quartz, with patterns of black tourmaline needles swirling underneath the surface. Each stone is as unique as the individual who wears it. 7x5 emerald cut faceted black rutilated quartz center stone flanked by round London blue topaz stones band is round and measures 1. 5mm wide available in solid 14k yellow, white