12.85ct Australian Boulder Opal Stone. 21×15.5×5.5mm approx. ALL WEIGHTS & MEASUREMENTS ARE APPROXIMATE. I weigh & measure every item but scales may not be calibrated the same. Opalized Wood / Vegetation Fossil Stone. Vegetation mixed with Opal Crystal. Flashy Colorful Fire BOTH Sides Quality Gem. These Vegetation Fossils have the BEST Fire! Opalized Wood / […]