Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Arizona Rainbow Wood Most of this is black

Most of this is black obsidian

The cloud-like orb formations in this slab are exceptionally defined with unique paint stroke details throughout

that was around the 1960s and modernly the mine is same as tapped out

• Origin: Yakima Valley Firing Range

it is distinct in both composition and locality

Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Arizona Rainbow Wood Most of this is blackPolished 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.