POL617 Polyhedroid Agate Plume Agate 5cm x 13cm polished face

5cm x 13cm polished face

40mm x 30mm

and the edges are a combination of cut and natural

or multicolor

This features one cube measuring 2

POL617 Polyhedroid Agate Plume Agate 5cm x 13cm polished faceThis thin polished Polyhedroid Agate specimen shows an outer crystal ring filled with cool white agate banding. Faintly UV reactive. Dimensions: 5. 7cm x 1. 3cm (3. 9cm deep) Weight: 0. 7oz 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 blades