POL619 Polyhedroid Agate Sage Septarian Nodules are used to

Septarian Nodules are used to enhance and nurture communication with groups

and gray banded agate around a quartz center

Native Michigan copper slabs feature copper-rich ore with quartz

tan and brown detailing

Each type of the Lake Superior region's agates are discussed in-depth

POL619 Polyhedroid Agate Sage Septarian Nodules are used toA polished Polyhedroid Agate specimen featuring rings of quartz filling separated by a thin milky agate band, with an open crystalline center. Dimensions: 3. 2cm x 4. 9cm (2. 7cm deep) Weight: 2oz Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are a unique formation of agate, featuring naturally flat surfaces at a variety of different angles. They are believed to have formed in the negative spaces between large crystal