A fully faceted Fossil Dinosaur Bone gem from the Colorado-Utah border, USA.
This exceptional example displays rich orange-red and brick-red cells against a dark background.
The structure of the original bone, replaced by a semi-translucent Agate over time through polymorphic replacement, is quite clear to see.
weight: 5.36 carats
shape: Cushion shape cut
dimensions: 12.30 x 10.69 x 5.30 mm