Welcome to Limanty Gems This is a Massive Boulder Opal where the iron ions crystalized in giving similar shape to petrified wood It is a gamble opal with potential, it can be seen multiple blues and purples between the iron veins. You can either cut it or leave as mother nature did This is a million years old specimen Specifications: Gemstone Type: Boulder Opal Shape: Natural Rough Color: Blue and petrified wood simulation Size: 120 x 70 x 50 mm Weight: 710 g or 3550ct Origin: Quilpie - Queensland The mother of the opals |