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Beecher Bed trilobite at gem and mineral show
http://www.fossilmall.com/fossil-shows/tucson/TucsonFossilShow.htm
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Anomalocaris fossil, Burgess Shale
http://burgess-shale.rom.on.ca/en/science/burgess-shale/03-fossils.php
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Beach Wolf Spider on the Kansas River. Spotted it during a field trip. I think it’s a female because the pedipalps aren’t swollen. It’s body length is about 2cm but with it’s leg span it’s about 5-6cm.
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Cave Pearls - Speleothem formed by concentric deposition of calcite around a nucleus (grain of sand, other fragments).
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Widmanstatten - A pattern in some meteorites that is the result of Iron-Nickel alloy crystals (the minerals kamacite and taenite) with different ratios of Fe/Ni.
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Zoned Labradorite
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Fluorescent minerals
Hardystonite, Clinohedrite, Calcite, Willemite
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Ancient arthropod orgy - these guys gathered in large groups, molted, and then ran around naked getting busy.
http://www.livescience.com/13312-trilobite-orgies-extinct-creatures.html
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Feldspar crystal with sieve texture and zoning; Chile
A personal pic!
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Devonian Period: 400 million years ago





