XAVIER Earrings In Green Opal Elongated Rectangular ShapedXAVIER Earrings 1. 25" Green Opal Drop 14K Gold (14 20) or Sterling Silver. Like watercolor painted by nature. The XAVIER earrings are carved from natural, raw green opal each elongated stone a softly sculpted rectangle, hand drilled and lightly polished to preserve its natural veining and character. These stones glow in layered shades of jade, chartreuse, and pale moss, each one filled with painterly inclusions that echo mist, mineral, and earth.