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POL102JR Polyhedroid Agate Specimen


This is a specimen featuring dark golden yellow and light and dark blue banded agate. It has a vugg coming from a flow channel down to the center, that goes through to the back of the nodule. It has six faces (including the polished face) with sections of the back showing previously weathered breakage which connects to the vugg.

9.8 cm x 6.4 cm x 5.6 cm
10.8 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