Kokoweef Cave “Onyx” Travertine Cabochon
Forms as calcite stalactites in the Kokoweef Caves of the Mojave Desert in Southern California, USA. Flat, matte finish back with a beveled edge. You will receive the exact gemstone shown in photos.
Weight: 10.35 carats; 18.93 L x 14.58 W x 4.44 H mm
Weight: 5.25 carats; 14.15 L x 10.83 W x 3.80 H mm
Gem Species: Calcite
—Variety: —
Trade Name(s): Kokoweef Cave Travertine, Kokoweef Cave Onyx*
Origin: California, USA
Enhancement(s): (N) Natural
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* The gemological definition of Onyx is a banded variety of chalcedony or calcite aggregate that shows straight, parallel stripes of contrasting colors such as black and white.
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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).