Opalized Dinosaur Femur Bone

Opalized Dinosaur Bone

Dinosauria indet

Geological Time: Early Cretaceous, Albian Stage

Size (25.4 mm = 1 inch): Fossil is 27 mm long to 10 mm across

Fossil Site: Griman Creek Formation, Wallangulla Sandstone, Lightning Ridge, New South Wales, Australia

Fossil Code: AAF568

Price: Sold


Opalized Dinosaur Femur BoneDescription: This specimen comes from Lightning Ridge in Australia, a region renowned for its opal production. Coober Pedy, Andamooka, White Cliffs, and Lightning Ridge are the 4 most famous sources of Australian opals. Indeed, Lightning Ridge is known as the black opal capital of the world. It is the alignment of the hydrated silica spheres which ultimately results in the rainbow effect of precious opal, the result of deflection and diffraction of light as it passes through the planes of hydrated silica molecules. The size of the spheres impacts the colors seen, with smaller spheres resulting in blues and larger spheres in reds. This is a partial femur of an unknown dinosaur. This specimen is doubly precious as it is both a prized gemstone and a remnant of a long gone ruler of the Cretaceous of Australia.

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