Stunning solid Australian Queensland Boulder Matrix Opal - ready to be set. Brilliant green and blue flashes throughout the dark browns and caramels of the boulder. Not completely smooth with some natural stone lines and some stone inclusions. Huge Oval shape - would make a great ring or pendant.Receive actual opal in photo. Measures : 31.1 x 14.2 x 5.5 mm approximately (6.35mm = 1/4 inch). All items posted via Registered International Post. The item "Natural Australian Boulder Matrix Opal Solid Cut Stone Green Blue 20ct (2339)" is in sale since Monday, December 7, 2020. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Boulder Opals". The seller is "opalwholesalers" and is located in Kensington Gardens, SA. This item can be shipped worldwide.