Pyritized Crinoid Crown - Fossil Specimen light brown Composed of dendritic opal—a black

Composed of dendritic opal—a black and white stone laced with fern-like inclusions—Merlinite is prized for its moody contrast and mesmerizing patterns

Approximate Weight for 1 piece: 4

and Morocco is one of the best-known sources in the world for collectible trilobite material

5mm x 4mm x 1

which is a variety of microcrystalline quartz

Pyritized Crinoid Crown - Fossil Specimen light brown Composed of dendritic opal—a blackMined 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