1" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Wooly Rhinoceross Tooth South Dakota - Hell Creek

South Dakota - Hell Creek Formation

These minerals often coexist

Certain types of calcite exhibit blue or red fluorescence under UV light

Native Sulfur has held historical importance in Louisiana because of its unique geological formation and economic value

1" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Wooly Rhinoceross Tooth South Dakota - Hell CreekLocation: Osgood Shale, Napoleon, Indiana Weight: 1 Pound 3. 4 Ounces Dimensions: 3. 4 Inches Tall, 3 Inches Wide, 1. 8 Inches Thick (Matrix) Crinoid Dimensions are: 1 Inch Tall, 0. 7 Inches Wide The Item Pictured is the one you will receive. Holocystites Sp Silurian in age (420 million years old) Holocystites is an extinct genus of echinoderms belonging to the class Cystoidea and sub phylum Blastozoa. These organisms thrived during the Paleozoic Era,