Dinosaur Bone Fragment - Fossil Specimen brassy pyrite crystal (This is the black one)

(This is the black one)

Large                                                                                                                        Approximate Size of 1 piece: 17cm x 2cm x 1

Approximate Size of 1 Piece: 8cm x9cm x4cm

rough matrix with tan and rusty brown iron staining

Weight: 102g

Dinosaur Bone Fragment - Fossil Specimen brassy pyrite crystal (This is the black one)Mined from: Morrison Formation, Utah, U. S. A. Era: Mesozoic Geological Age: 155148 mya Description: This one of a kind dinosaur bone fragment from Utah is a large, naturally weathered fossil specimen with broad areas of exposed cellular bone structure. The piece has a blocky, heavy form with tan, grey, brown and muted reddish colouring. Several surfaces show dense honeycomb like patterns from the original porous bone, while other areas retain