Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Arizona Rainbow Wood it is distinct in both

it is distinct in both composition and locality

forming geodes or solid interiors with intricate patterns

and this is a great batch

and is a fan favorite for tumbling

They all take a great polish too

Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Arizona Rainbow Wood it is distinct in bothPolished 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.