Natural opals are usually described as light, dark/black, boulder, and matrix. Although boulder opal has an ironstone backing, it is regarded as a solid natural opal because this backing occurs naturally. The variety of natural opal is determined by the two characteristics of body tone and transparency.
Outstanding Bright Pink Natural Opal Oval Cabochon 10.2mm x 8.1mm - Modern Gem Jewelry Outstanding Bright Pink Natural Opal Oval Cabochon 10.2mm x 8.1mm - Modern Gem Jewelry
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1.46  Carats Natural Fire Opal Gemstone Cabochon | 9.08mm x 9.24mm - Modern Gem Jewelry 1.46  Carats Natural Fire Opal Gemstone Cabochon | 9.08mm x 9.24mm - Modern Gem Jewelry
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1.63 Carats Natural Fire Opal Gemstone Oval Shape | 6.8mm x 4.3mm - Modern Gem Jewelry 1.63 Carats Natural Fire Opal Gemstone Oval Shape | 6.8mm x 4.3mm - Modern Gem Jewelry
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2.6 Carats Natural Fire Opal Gemstone Triangular 11.82mm x 11 x 4.9mm - Modern Gem Jewelry 2.6 Carats Natural Fire Opal Gemstone Triangular 11.82mm x 11 x 4.9mm - Modern Gem Jewelry
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Attractive & Stricking 3.48 Carats Fine Natural Fire Opal  Loose Gemstone - Modern Gem Jewelry Attractive & Stricking 3.48 Carats Fine Natural Fire Opal  Loose Gemstone - Modern Gem Jewelry
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Beautiful Intense Fire Play Ethiopian White Opal 4.6 Carats | 11 Mm X 19 Mm - Modern Gem Jewelry Beautiful Intense Fire Play Ethiopian White Opal 4.6 Carats | 11 Mm X 19 Mm - Modern Gem Jewelry
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Huge Amazing Color Play 15.69 Carats Ethiopian Natural Opal - Modern Gem Jewelry Huge Amazing Color Play 15.69 Carats Ethiopian Natural Opal - Modern Gem Jewelry
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1.75 Carats Yellow Ethiopian Natural Fire Opal Gemstone Oval - Modern Gem Jewelry 1.75 Carats Yellow Ethiopian Natural Fire Opal Gemstone Oval - Modern Gem Jewelry
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1.75 Carats Yellow Ethiopian Natural Fire Opal Gemstone Oval
$90.00 Sold out
4.2 Carats, Rich Pink Ethiopian Natural Opal Oval  5.22mm x 5.43mm - Modern Gem Jewelry 4.2 Carats, Rich Pink Ethiopian Natural Opal Oval  5.22mm x 5.43mm - Modern Gem Jewelry
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2.35 Carats, Vibrant Color Play Ethiopian Natural Opal Gemstone - Modern Gem Jewelry 2.35 Carats, Vibrant Color Play Ethiopian Natural Opal Gemstone - Modern Gem Jewelry
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2.35 Carats, Vibrant Color Play Ethiopian Natural Opal Gemstone
$399.00 Sold out
1.43 Carats, Intense Color Play Ethiopian Natural Opal Gemstone Pear Cut - Modern Gem Jewelry 1.43 Carats, Intense Color Play Ethiopian Natural Opal Gemstone Pear Cut - Modern Gem Jewelry
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Pear Natural Ethiopian Black Opal 3.82ct - Modern Gem Jewelry Pear Natural Ethiopian Black Opal 3.82ct - Modern Gem Jewelry
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Pear Natural Ethiopian Black Opal 3.82ct
$380.00 Sold out
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