Quartz & Curiosities

Quartz & Curiosities Arkansas rockrounding adventures! Bringing you the finest specimens of agates, fossils, and petrified wood. 🪨🪸🪵
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If you picked this up, you’d probably think it was a plant fossil of some sort, but you’d be wrong! This is actually man...
02/01/2026

If you picked this up, you’d probably think it was a plant fossil of some sort, but you’d be wrong!

This is actually manganese dendrites on chert! True plant fossils are preserved in dark carbon films. This mineral growth mimics fern patterns, which is why it’s an easy trickster! 😉

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See all those little holes and ring shapes in this rock? That’s a whole garden of crinoids – fossilized ‘sea lilies’ tha...
01/30/2026

See all those little holes and ring shapes in this rock? That’s a whole garden of crinoids – fossilized ‘sea lilies’ that lived on the ocean floor here around 330–350 million years ago, when Arkansas was under a warm, shallow sea. Crinoids are cousins of starfish and sand dollars, but instead of crawling around they anchored themselves with a stem and waved feathery arms through the water to catch food drifting by. Most of the time we only find broken stems and little donut-shaped pieces, so a chunky specimen like this is what we in the rockhounding community call “Fossil Soup”!

I’d love you guys to flood my comments with fossil soup finds of your own! 👇🏼

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