POL115JR Polyhedroid Agate Specimen From Africa please describe in your order

please describe in your order notes

The tops of both sides are polished over a slight curve

Ethiopian Opal freeform cabochon

It displays a lavender druzy with tan agate

30mm x 16mm

POL115JR Polyhedroid Agate Specimen From Africa please describe in your orderThis is a polished specimen featuring dark blue to black, dark golden yellow, and translucent gray agate with a large opening appearing to come from a flow channel. It has a "tube" which could be a partially closed second chamber. 12 cm x 16. 5 cm x 2. 5 cm 2 lb 14. 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