Dendritic Opal, 8.97 cts.

White common opal with fine black manganese oxide dendrites.  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: 8.97 caratsLength: 20.40 mmWidth: 15.44 mmHeight: 3.99 mm Gem Species: Opal--Variety: DendriticPhenomenal: No; no play-of-colorTrade Name(s): Dendritic Opal, Dendritic Opalite*, MerliniteOrigin: AustraliaEnhancement(s): (N) Natural----------------------------------------------* Using the term "opalite" to describe natural non-phenomenal (no play-of-color) common opal is misleading. Opalite is a man-made glass; it is neither synthetic opal nor natural opal.----------------------------------------------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