Green & Violet 49ct Natural Australian Solid Yowah Nut Boulder Opal. 42.4mm x 30.0mm x 4.5mm thick. This natural australian solid yowah nut boulder opal has colors of green, violet, turquoise and a touch of orange and red which fill the veins between the stone. The colors flash and streak beautifully with rotation of the opal and there is some play of color. We pride ourselves in offering you boulder opal with bright gem colours.We go the extra mile to offer top quality opals in all price ranges. The item "Green & Violet 49ct Natural Australian Solid Yowah Nut Boulder Opal Video" is in sale since Tuesday, October 31, 2017. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Boulder Opals". The seller is "opals-downunder" and is located in Menai, NSW. This item can be shipped to North, South, or Latin America, all countries in Europe, China, Japan, Australia.