Lot 743
Colorful Agatized 150 Million Year Old Dinosaur Vertebrae Bone. Agatized dinosaur bone occurs when the hollow bone structure of the dinosaur is replaced by quartz and trace minerals such as iron over millions of years. The best quality agatized dinosaur bone comes from the Jurassic era in Utah from the 150 million year old Morrison Formation. This half of a vertebrae from a dinosaur (probably a sauropod) was found in two pieces, 5 X 4 inches and 4 ½ X 4 inches. Both halves were polished revealing excellent bone structure and colors ranging from beige to many shades of brown all the way up to orange(due to iron minerals). Estimated Value $350 - 500
Collection of Richard Kosta.
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