DDO110c Dendritic Opal Cabochon Other Agates Chapter 4: When Geodes are

Chapter 4: When Geodes are Gems

1 lb lot features gem quality Salvia Chalcedony in deep purples with minimal to no inclusions in a chalky white matrix

2cm x 10cm polished surface

Pieces are approximately 1 - 2 inches and rate at a 7 on the Mohs Hardness Scale

with sagenite inclusions and banding

DDO110c Dendritic Opal Cabochon Other Agates Chapter 4: When Geodes areThis polished cabochon is made from Turkish Dendritic Opal, showing milky white and translucent chalcedony with black dendritic patterning. 36mm x 32. 5mm 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