POL251pr Polyhedroid Agate Pair Miscellaneous created in collaboration with the

created in collaboration with the Smithsonian Institution and written and edited by dozens of scientific professionals with decades of experience

From Australia

Good for tumbling

Hematite is a type of iron oxide

POL251pr Polyhedroid Agate Pair Miscellaneous created in collaboration with theA small polished Polyhedroid Agate specimen pair featuring quartz filling. Left: 2" x 1" x 0. 75" RIght: 1. 75" x 1" x 0. 5" Total weight: 0. 1 lbs Polyhedroid Agates were found in Paraiba, Brazil, but are now unavailable. They are a unique formation of agate, featuring naturally flat surfaces at a variety of different angles. They are believed to have formed in the negative spaces between large crystal blades of calcite or aragonite, and can