POL120JR Polyhedroid Agate Specimen Morrisonite this has led to its

this has led to its use as a gemstone

and black Nature's Paintbrush framed by Howlite and Black Onyx

these are some of the toughest tools around

This slab is polished on both sides

POL120JR Polyhedroid Agate Specimen Morrisonite this has led to itsThis is a polished specimen featuring translucent blue grey, blue, white, and golden yellow agate with a band of quartz crystal and an opening in the center. 20. 5 cm x 9. 5 cm x 8 cm 4 lb 2. 8 oz Its pair is POL119jr. 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