Splendid Top Grade Quality 100% Natural Opal Black Oval Shape Cabochon Loose Gemstone For Making Jewelry - Black Precious Opal

Product Code (SKU) L-1666 Stone Name Black Ethiopian Opal Weight 8.5 Ct Stone Size 18 x 12 x 7 mm Shape Oval Cut Cabochon Color Black Transparency / Effect Fire Play Origin Ethiopia (Welo region) Hardness (Mohs) 5.5 to 6.5 Type Natural Loose Gemstone