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Priday Oregon Thunderegg – Blue Fortification Agate & Brecciated Matrix – 204g
An unusual Oregon thunderegg identified by the seller as Priday material, with one face cut and polished to reveal a complex mix of blue-white agate, reddish rhyolite and olive-green brecciated matrix.
The most prominent agate feature is a sharply defined pocket near the lower-left portion of the face. It contains pale blue to white fortification-style bands surrounded by smoky brown chalcedony.
Much of the remainder of the polished face has a very different texture, consisting of angular reddish-brown and cream-colored rhyolitic fragments surrounded by olive-green to yellow-green mineralized material. This gives the specimen a highly brecciated, almost mosaic-like appearance.
Specimen details
A distinctive collector specimen for enthusiasts of Oregon thundereggs, Priday material, fortification agate, brecciated rhyolite and unusual lapidary stones.
Please review all photographs carefully for exact color, natural fractures, polish and matrix condition. You will receive the exact specimen shown.