Description
Chemical Formula: KAlSi3O8
& NaCa4(Si27Al9)O72·28(H2O)
you are able to see where this specimen grew alongside other crystals
heulandite
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
Trilobite in Shale (Elrathia sp.) - Utah Chemical Formula: KAlSi3O8Trilobites 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
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