DDO121c Dendritic Opal Cabochon Thundereggs and the whole cube in

and the whole cube in matrix is approximately 5 - 6 oz

and black jasper forming a Sahara desert landscape with black dendrites

as well as the degree of shrinkage they indicate

It is heavily fractured with visible quartz lining the fractures

2  lb lot

DDO121c Dendritic Opal Cabochon Thundereggs and the whole cube inThis polished cabochon is made from Turkish Dendritic Opal, and shows opaque milky chalcedony with black dendritic patterning. 26. 5mm x 37mm 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 different