This dramatic treatment is not difficult to identify with a standard gemological microscope, since it has characteristics similar to clarity-enhanced diamonds (flash effect, gas bubbles, etc.).
Figure 1. This 34.24 ct light greenish blue free-form aquamarine pendant, measuring 33.40 × 25.75 × 6.40 mm, was seen in the Carlsbad laboratory. Photo by Robison McMurtry. Stone courtesy of Stephen ...
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