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POL104JR Polyhedroid Agate Specimen

$300.00 
Sorry, this item is out of stock

This is a specimen featuring blue-gray and black agate with stripes of quartz between, and a small opening in the center. It is a multi-chamber polyhedroid, as it has another polyhedroid shape fused together on the bottom.

12.1 cm x 4.8 cm x 5.1 cm
8.2 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.