Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures moss plume blue agate It makes excellent cabs and

It makes excellent cabs and is one of the most popular lace varieties on the market

which creates some really captivating cabochons

From the unique red plume vein at the Graveyard Mines

One thing is for certain though

It can have pseudomorphic tubes

Mystery Broken Thunderegg Rough - Botryoidal Center with Plume-Like Structures moss plume blue agate It makes excellent cabs andMystery 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.