Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Rhodonite Formed by ancient cyanobacteria in

Formed by ancient cyanobacteria in shallow marine environments

which was even more rare

23 Smallest: 2

Nyssa Plume Agate is a rare agate from near the town of Nyssa in Eastern Oregon

with no treating

Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Rhodonite Formed by ancient cyanobacteria inPolished Crooked River Limbcast Large Fossil Cast with Tubes & Shrinkwood This is an extremely rare, old stock, polished chunk of Crooked River Limbcast, a fossil agate from Oregon thats become nearly impossible to findespecially in this large collector size. At 18 lbs, this piece is bursting with character: botryoidal tube formations, partial shrinkwood structures, and exposed outer wood grain textures that give it a natural, prehistoric aesthetic.