Dinosaur Bone Fragment Pair - Fossil Specimen calcite cluster this specimen shows layers of

this specimen shows layers of smaller intergrown crystals lining recesses and coating uneven surfaces

Over millions of years

and cuprite

the book is likely to appeal to both novices and paleontology fans (aficionados will find plenty of suggestions for further reading in the multipage

Dinosaur Bone Fragment Pair - Fossil Specimen calcite cluster this specimen shows layers ofMined from: Morrison Formation, Utah, U. S. A. Era: Mesozoic Geological Age: 155148 mya Description: This one of a kind dinosaur bone fragment pair from Utah includes two matching fossil bone pieces with polished faces and natural rough edges. The pieces show dark brown, black, grey, and reddish brown colouring, with visible bone grain, mineral filled pores, and weathered outer texture. The pair has a strong display look because the two fragments can