: 100 % Natural Black Fire Opal. : 3.27 Cts. : 13 x 9.7 x 5.6 mm. "Loupe-Clean" or "10X clean" ~100% Clean - Exceptional quality with no inclusion(s) visible using a 10X loupe. "Near Loupe-Clean" Excellent quality with only slight inclusion(s) or irregularity with a 10X loupe.
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