Mazon Creek Fossil Plant Concretions Size:Small Some edges will be smooth

Some edges will be smooth and others will be sharp so do take care when handling this specimen

Above: How do you like your T

Above: Grant holding a Rough Opal specimen

600 km) away from the Kuznetsk Basin giving some sense to the massive scale of this formation

Release Date: May 21

Mazon Creek Fossil Plant Concretions Size:Small Some edges will be smooth300,000,000 years ago, in the Carboniferous Period, Earth was a dense tropical jungle. Lush forests were home to all manner of prehistoric creatures and swampy landscapes covered the surface. We know of this incredible time thanks to the fossil imprints left behind by plants that were preserved for millions of years. This specimen is a split pair fossil plant concretion that was recovered from Mazon Creek in Illinois. This former coal mine turned