Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Opal Jar Spiderman Jasper is a form

Spiderman Jasper is a form of Jasper found in the Owyhee Mountains of Eastern Oregon

and are from some chunks that we cut some very high end slabs from

Though compact

Ojinaga Plume Agate is extremely rare and becoming harder to source with each passing year

Polished Crooked River Limbcast – Large Fossil Cast with Tubes & Shrinkwood Opal Jar Spiderman Jasper is a formPolished 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.