It is a hydrated copper silicate mineral that belongs to the phyllosilicate group
approximately 80 to 78 million years ago
where the movement of frozen lake ice during winter often exposes new stones in the spring
This natural stone offers a unique texture that reflects its deep-earth origins
while others consider it to be a subspecies
0.6" Palaeolagus Hayeni Fossil Jaw Section Teeth Oligocene Epoch South Dakota Display Cricket It is a hydrated copperLocation: Brule Formation, Pennington County, South Dakota Weight: 0. 2 Ounces Dimensions: 0. 6 Inches Long, 0. 4 Inches Wide, 0. 2 Inches Thick Comes with a free display. The item pictured is the one you will receive. Oligocene epoch, 33. 9 to 23 million years ago Palaeolagus hayeni is an extinct species of lagomorph, an ancient rabbit, that lived in North America during the Oligocene epoch. It belongs to the genus Palaeolagus, one of the earliest