Onyx 49,00 ct (GEM-BC1453E)
Beautiful onyx with quartz geode cut in fancy cabochon (treated chalcedony). B. Chatenet's ex-collection.
Weight : 49,00 ct
Size : 44,3 x 22,5 x 6,7 mm
Clarity : Opaque
Shape : Fancy cabochon
Color : Black, white
Provenance : Brazil
Treatment : Impregnation and heating
Added : 05/2019
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