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These specimens have a beautifully polished face. The weight is about one pound + or - a tad. A great novelty item. Every rock collection should have one of these! A great gift item for that person that has everything!!! |
F1320 - Fossilized Dinosaur Dung. (Coprolite) These specimens have fossilized into a quartz (silicate) material that is quite hard. Excrement turns to stone through a mineral replacement process. Scientist have identified plant matter from coprolite specimens. From a herbivore type dinosaur such as the duckbilled and other hadrosaurians. Jurassic - 135 to 190 million years old. Utah.
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