Trilobite in Shale (Elrathia sp.) - Utah you are able to see

you are able to see where this specimen grew alongside other crystals

You are able to still see the crystal structure really well in addition to small quartz crystals and one smaller patch of malachite to give this specimen even more character

Chemical Formula: KAlSi3O8

was formed around 26 million years ago

Trilobite in Shale (Elrathia sp.) - Utah you are able to seeTrilobites 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