Pyritized Crinoid Crown - Fossil Specimen prehistoric fish tooth wood particles

wood particles

and the relationship between the crystal and its host material

6cmApproximate Weight of 1 Piece: 8g

Shank Thickness: 1mm

Approximate Weight for 1 piece: 55g

Pyritized Crinoid Crown - Fossil Specimen prehistoric fish tooth wood particlesMined from: Silica Shale, Sylvania area, Lucas County, Ohio, U. S. A Era: Paleozoic Geological Age: Middle Devonian, Givetian, approximately 387. 9382. 3 mya Description: This one of a kind pyrite crinoid crown fossil specimen is a large gray matrix plate preserving multiple crown sections with long, curved arms spread across the surface. The fossilized crowns stand out clearly against the lighter stone, with dark pyritized arm segments and raised cup