As she launches her first pearl jewelry, the Swiss designer talks about her instinct for color, growing up around art and why ...

Meanwhile, Swiss independent jeweler Cora Sheibani highlighted smoky quartz — “the neglected poorer cousin of rock crystal, amethyst, and citrine,” she quipped — in her latest collection.

Meanwhile, Swiss independent jeweler Cora Sheibani highlighted smoky quartz — “the neglected poorer cousin of rock crystal, amethyst, and citrine,” she quipped — in her latest collection.

Beyond phenomenal gems, included stones were also trending, such as Imperial topaz with golden and red schiller (figure 7), quartz with golden rutile from Brazil (figure 8), and moss agate. Eric ...

Most of the production has only been suitable for cabochon cutting. The stones are typically traded as amazonite, a variety of microcline feldspar, which is found in rare-element pegmatites (Nguyen, ...