Trilobite in Shale (Elrathia sp.) - Utah Unaka Mountain Range

Unaka Mountain Range

Chemical Formulas: 

this mineral is a calcium carbonate mineral with inclusions of manganese and arsenic

Singing bowls are commonly used for healing

is a must-have in any collection

Trilobite in Shale (Elrathia sp.) - Utah Unaka Mountain RangeTrilobites 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