Agatized Dinosaur Bone — Utah

These two slabs highlight distinct fossilization pathways: the left piece shows vibrant orange and red cellular structures from heavy iron and hematite presence, while the right slab features fine black cellular patterns shaped by manganese-rich mineralization. Together, they showcase how mineral content and groundwater chemistry influence the color palette of agatized dinosaur bone 2 pieces / 49.30 grams Estimate: $135 - $150