Montana Agate Cabochon
Weight: 30.65 carats
Length: 29.63 mm
Width: 23.60 mm
Height: 5.83 mm
Gem Species: Chalcedony
--Variety: Dendritic Agate
Trade Name(s): Montana Agate
Origin: Montana, USA
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).