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 listing is from random pull of high grade cabbing and trimming rough sized chunks

This design is a flower like pattern

Here is a pretty Gem Dinosaur bone showing some interesting cell pattern

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

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