DDO116c Dendritic Opal Cabochon Drilled Geodes This piece is from Al

This piece is from Al Hama

This interactive kit is carefully crafted with Essential Rocks & Minerals that are commonly used in your everyday life

Indigo Gabbro is from Madagascar

the Arts and Mathematics as access points for guiding inquiry

featuring plumes in translucent agate with plumes in cream

DDO116c Dendritic Opal Cabochon Drilled Geodes This piece is from AlThis polished cabochon is made from Turkish Dendritic Opal, and shows a mix of translucent, milky, and completely opaque white chalcedony with black dendrites. 36mm x 28mm 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