This product is a 4.00 Ct Natural Ethiopian Opal Multi Fire Opal Cabochon Loose Gemstone, measuring 13x10x6mm. The gemstone is translucent with a fiery color, and it is cut to an excellent grade. It is a single piece of polished opal, sourced from Ethiopia, and treated with heat. This gemstone is ideal for jewelry making and is offered wholesale. With opalescence and eye-clean clarity, this fire opal cabochon is a valuable addition to any gemstone collection.