Bright flashes from this black crystal opal from the famous mines of Lightning Ridge Australia. Mined in that famous mining area of Lightning Ridge Australia this beautiful natural solid gem would look fantastic bezel set into a ring or pendant with dancing greens and azure blue colours. Measuring 9.10mm X 7.30mm X 3.57mm and weighing 1.41 carats, what a perfect gemstone to set into that piece of jewellery you've always. Beautiful Solid Lightning Ridge Black Crystal Opal m13693 - YouTube. We can accept credit cards and electronic transfers through.International Buyers - Please Note. Our reputation is paramount, without it we would not have been in business and the opal industry since 1967. We treat our customers with the respect we would like them to treat us with. The item "STUNNING FIERY NATURAL SOLID LIGHTNING RIDGE AUSTRALIAN BLACK CRYSTAL OPAL 13693" is in sale since Sunday, July 10, 2016. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Black Opals". The seller is "$1-australian-opals" and is located in Nerang, QLD. This item can be shipped worldwide.