1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Gem Bone Quartz and Feldspathoids: Found in

Quartz and Feldspathoids: Found in small quantities in subtypes like quartz gabbros or foid-bearing gabbros

they reached the massive proportions seen in Badlands fossils today

Barite blades

and natural history enthusiasts

Aragonite is closely related to calcite

1.4" Holocystites Sp Crinoid In Matrix Fossil Silurian Age Osgood Shale Napoleon Indiana Gem Bone Quartz and Feldspathoids: Found inLocation: Osgood Shale, Napoleon, Indiana Weight: 4. 7 Ounces Dimensions: 4. 5 Inches Tall, 1. 9 Inches Wide, 1. 1 Inches Thick (Matrix) Crinoid Dimensions are: 1. 4 Inches Tall, 1. 1 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,