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POL107JR Polyhedroid Agate Specimen


This is a polished specimen featuring shades of blue-gray and white banded agate floating among quartz. It has six sides (including the front polished face), with two edges having exposed quartz.

13.5 cm x 4 cm x 7.2 cm
9.3 oz

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.