Beautiful Australian Yowah Nut Boulder Opal Specimen Solid. Not completely smooth with some natural stone inclusions. A great specimen for collectors or make a great pendant.Measures : 24.3 x 16.5 x 5.3 mm. The item "Genuine Australian Boulder Opal Yowah Nut Specimen Solid (2222)" is in sale since Friday, March 29, 2019. 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.