Pyritized Crinoid Crown - Fossil Specimen prehistoric fish tooth great for moving large rocks

great for moving large rocks

wood particles

Approximate Weight for 1 piece: 55g

semi-translucent

and silver-bearing fluids move through fractures and slowly crystallize under changing temperature and pressure conditions

Pyritized Crinoid Crown - Fossil Specimen prehistoric fish tooth great for moving large rocksMined 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