Trilobite in Shale (Elrathia sp.) - Utah fibrous texture

fibrous texture

This variety of calcite was first discovered in Tuscany

This is described as twinning

Chemical Formula: R3R2(SiO4)3  (R = Various elements that contribute to the species of garnet

15 ozLocation: Utah

Trilobite in Shale (Elrathia sp.) - Utah fibrous textureTrilobites are considered one of the most successful groups of animals to ever live on planet Earth. They lived for over 300 million years and there have been more than 20,000 different species identified. These creatures are members of the phylum Arthropoda. These animals are classified as having segmented bodies with an exoskeleton to protect their organs and muscles. Living examples include insects, spiders, crabs, lobsters, scorpions, and