Pyrite NoduleHengyang, Hunan, China From a discovery made only relatively recently in China, this interesting shale nodule formed in bedrock with bands of pyrite crystals depositing themselves on the surface in a sedimentary fashion. An unusual and decorative conversation piece. Measuring 1.77 x 1.57 x 1.57 in (4.5 x 4 x 4 cm) please note the estimate for this item was incorrectly listed in the printed version of the catalogue. It should read $700-900 Apanied by an acrylic base.