Polished Dinosaur Bone | Utah iridescent This is a clear quartz

This is a clear quartz (SiO2) with phantom-like layers of hematite (Fe2O3) included in the crystal along with a secondary layer of overgrowth on parts of the quartz

or manganese

This quartz cluster

Sourced from China

Polished Dinosaur Bone | Utah iridescent This is a clear quartzA polished section of fossilized dinosaur bone from Utah, revealing intricate internal structure preserved through millions of years of mineralization. The distinctive cellular pattern visible across the cut surface is the original bone matrix, replaced and preserved by minerals over time while retaining its ancient texture and detail. This item is 3 x 4 and weighs 2 lbs 6. 5 oz