A superb parcel of famous Lightning Ridge Australia black opal. This material is jumping with fire and smaller pieces perfect for doublets & instarsia. Mining has dropped significantly in the last year due to high fuel costs & consolidation of mining claims. Family : Opal Variety : Lightning Ridge Origin : Lightning Ridge, Australia Size : Treatment : None known Total Carats : 462 Clarity : N/A%
Measurements in millimeters(mm) Weight in carats(ct) (for grams divide carats by 5) Graph paper is 1/4 inch squares.