Precious Opal from Queretaro, Mexico
No. 733: Square Cushion Barion Cut, VVS, 4.59 carats, 6.4 x 6.4 x 3.4 mm, faceted by R. Drummond, $275.40
The above image shows this crystal opal as it would appear under
bright light and illuminated from the rear. The gem comes alive with brilliant flashes
of red, orange, yellow, green, blue and purple.
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