Kokoweef Cave Travertine Cabochon LOT of 2, 15.60 ctw

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).