Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures very rare today • Dimensions: 142mm x 49mm

• Dimensions: 142mm x 49mm x 29mm (Inches - 5

Weight: Approx 4 lbs 14 oz

the plumes appear as natural mountain landscapes

This is a group listing of Fossil Fish plate fossils from the Green River Formation

Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures very rare today • Dimensions: 142mm x 49mmMystery 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.