“Rock” Containing Stunning Agate Turns Out To Be 60-Million-Year-Old Dinosaur Egg
“Rock” Containing Stunning Agate Turns Out To Be 60-Million-Year-Old Dinosaur Egg Back in 1883, a pretty agate mineral was registered to the Natural History Museum’s Mineralogy Collection. Around 15 centimeters (6 inches) across, almost completely spherical but otherwise unassuming, the…