Lightning ridge 1 - YouTube. Video will open in a new window. Specimens are photographed on a black/white background and are not edited beyond removing dust or editing our background distractions. Colors of the gem or mineral are never altered to make the specimen appear prettier. We do our best to recreate the true colors of these specimens.If you are not happy within the first 14 days, let us know and we can arrange a return. The item "14.1 ct Semi-black Australian Opal with Color Bands from Lightning Ridge Australia" is in sale since Tuesday, February 27, 2018. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Opal\Black Opals". The seller is "galleryofgemsandminerals" and is located in Columbus, Ohio. This item can be shipped worldwide.