Description13.12 ct Black Opal  Shape: Double cabochon Measurements: 21.85 x 12.05 x 8.60 mm Property from the Estate of a Colorado Collector HID01801242017品相报告: Condition ReportColored Gems:Type(s): Black OpalShape(s): CabochonCount: 1 - 25Avg Quality: FineOverall Condition: Very GoodCondition Notes: Two completely different looks in one fabulous stone. If you love opals you will not want to let this one slip by. On offer we have an exceptional black opal cut into a double cabochon making this gemstone truly spectacular. Every angle you observe this gem, front to back, a brilliant flash of color catches the eye. The forward facing portion of the opal has your classic black opal color with a chaff/straw pattern exhibiting primarily green, blue, and yellow colors. The reverse of this double cabochon is slightly lighter but its play of color just as mesmerizing displaying a board flash pattern consisting of red, yellow, and green. This stone is in fantastic condition with only the slightest of crazing visible under magnification. Heritage Auctions strongly encourages in-person inspection of items by the bidder. Statements by Heritage regarding the condition of objects are for guidance only and should not be relied upon as statements of fact, and do not constitute a representation, warranty, or assumption of liability by Heritage. All lots offered are sold ''AS IS''