DDO107c Dendritic Opal Cabochon 16 This specimen is from Kerrouchen

This specimen is from Kerrouchen

They are very dark and appear almost black

25" polished face

High grade Blue Chalcedony cabochon featuring beautiful true blue

convoluted

DDO107c Dendritic Opal Cabochon 16 This specimen is from KerrouchenThis polished cabochon is made from Turkish Dendritic Opal, showing milky white and translucent chalcedony with black dendritic patterning. 26mm x 35mm 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