- Australia Coober Pedy Opal Gray Base N7 color, 5.31ct
- Freeform cabochon, 15.35x11.2.0x5.2mm
- October’s birthstone, opal, is a magical and almost otherworldly gem. Once thought to include the colors of all precious stones, opals possess uncanny powers for a variety of cultures. Dangled as a hypnotic talisman or powdered into a compound to instill invisibility, opals—in one way or another—have always been bewitching and mysterious.