AAA Natural Ethiopian Black Opal 2.5mm Round Cabochon Loose Gemstone 200 Pcs. This product data sheet is originally written in English. Thanks for Your Kind Visit..... This item is in the category "Jewellery & Watches\Loose Diamonds & Gemstones\Loose Gemstones".The seller is "sylphgems" and is located in this country: IN. This item can be shipped worldwide.