Wyoming Fossil Turritella Rough Chunk! Fossil Stromatolite This chunk of Dinosaur Bone

This chunk of Dinosaur Bone appears to have some silica and calcite present

This slab is from an old estate sale

It even has some of the rare Tapestry variety

Measurements (inches - longest - approx): 3 x 2

but better defined flowers on the outside

Wyoming Fossil Turritella Rough Chunk! Fossil Stromatolite This chunk of Dinosaur BoneWyoming Turritella is a form of fossil snails that has been highly silicated! These fossil snails create some really unique pattern within the stone, along with protruding from the surface for a pretty neat effect! The snails within are freshwater snails, and is from an ancient lakebed over what is now the Green River formation! It takes a pretty decent polish and works into some truly unique cabochons! Weight: Approx 3 lbs 10 oz Measurements (inches