POL119JR Polyhedroid Agate Specimen

This is a polished specimen featuring translucent blue-grey, blue, white, and dark yellow agate with a band of quartz crystal and an opening in the center.  20.5 cm x 9.5 cm x 5.5 cm 3 lb 0.1 oz Its pair is POL120jr. Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are pseudomorphic formation of agate, forming in the negative space between large crystals of calcite or aragonite. They uniquely feature naturally flat surfaces in a variety of angles. If the photos do not open at a larger size, right click the image and select "open link in new tab."