Citrine Sterling Silver EarringsGolden light, distilled into quartz and framed in silver. Citrine is quartz colored gold by trace ironsilicon dioxide grown slowly in hydrothermal veins until ferric ions shift its crystal lattice toward yellow. Most citrine sold commercially is amethyst from Brazil or Uruguay that has been slowly heated to 400500C, driving out the violet and leaving a warm, stable amber. These earrings set faceted citrine in solid . 925 sterling silver, the cuts laid