Delicate shades of tan to beige contrasted by white to faintly gray bands.  Polished to a vitreous (glassy) luster.  Flat, polished back with a beveled edge for ease of setting.  You will receive the exact gemstone shown in photos.

Weight: 15.81 carats
Length: 28.83 mm
Width: 13.14 mm
Height: 5.35 mm

Gem Species: Chalcedony
—Variety: Agate
Trade Name(s): Flint, Banded Flint, Madagascar Flint
Origin: Madagascar
Enhancement(s): (N) Natural
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American Gem Trade Association Gemstone Enhancement Codes

Enhancement: Any treatment process other than cutting and polishing that improves the appearance (color/clarity/phenomena), durability, or availability of a gemstone.

(N) Natural
No modification; natural stones which are not currently known to be enhanced (or currently has no known modification process).