DDO109c Dendritic Opal Cabochon Drilled Geodes The black dendrites in the

The black dendrites in the next background layer create trees that appear to blur into the distance from the fog around them

and blue banding

but may not be the exact piece as each point is unique

sagenite inclusions

" While technically a rhyolite due to its thunderegg nature

DDO109c Dendritic Opal Cabochon Drilled Geodes The black dendrites in theThis polished cabochon is made from Turkish Dendritic Opal, showing milky white and translucent chalcedony with black dendritic patterning. 18mm x 36mm Dendritic Opal is technically a form of agate (microcrystalline silica) rather than a type of opal (microscopic silica with no crystalline structure). Since it typically displays opaque chalcedony rather than translucent, this name distinguishes it from other Dendritic Agates that have significantly