North America, Western United States, Mesozoic era, ca. 252 to 66 million years ago A fossilized dinosaur bone, polished to show off the amazing transformation - not just turning to stone but into colorful agate. Silica based permineralization will sometimes result in agate - a rare type of fossilization that is truly beautiful! This was part of the femur leg bone, and purportedly from a Brontosaurus, a species of Sauropods that were "long-necked" herbivores that lived during the late Jurassic period. Size: 8.7" L x 2.3" W x 11.5" H (22.1 cm x 5.8 cm x 29.2 cm); 14.25" H (36.2 cm) on included custom stand.

Provenance: Private West Hollywood, California, USA collection; ex-private Italian collection

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#177336

Cut and polished as shown, overall excellent with some natural pitting. Great coloration and presentation. Mounted on wooden stand.