Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures very rare today and while the plumes are

and while the plumes are very large

often paired with smoky agate flows

Weight: Approx 4 lbs 14 oz

Great for classroom use and STEM education

bubble-like formations

Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures very rare today and while the plumes areMystery Broken Thunderegg Botryoidal Center with Plume Like Structure Old Stock Ochoco Collection This mystery old stock broken thunderegg shows what was once a botryoidal center with plume like structures. Exact bed is uncertain, but it came from a collection containing many old stock Ochoco thunderegg beds. A neat trimmer that could yield designer cabochons with a bubble polish showing the interior pattern and the botryoidal as a natural top.