POL102JR Polyhedroid Agate Specimen Pyramids A polished slab from Graveyard

A polished slab from Graveyard Point mining claim in Oregon

and was called pietra dura

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One bullet displays a black orb

POL102JR Polyhedroid Agate Specimen Pyramids A polished slab from GraveyardThis 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