Oregon Agate Thunderegg Polished Specimen - Blue Chalcedony Geode 5.1oz

This beautiful, polished Oregon Thunderegg features a striking blue agate/chalcedony center framed by a natural rhyolite matrix. Thundereggs are the official state rock of Oregon and are prized by collectors for their unique internal formations. This specific specimen has been cut and polished on one face to showcase its vibrant color and glassy luster.


Type: Oregon Agate Thunderegg (Priday Blue style)
Weight: 0.51 lbs (approx. 8.1 oz / 231g)
Features: Polished face, deep blue interior, natural exterior.
Condition: Used/Natural specimen. Please see photos for exact measurements and details of the stone's character.
Uses: Perfect for display, altar decor, lapidary collections, or as a unique gift for rockhounds.

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