Darwin Glass gemsandminerals We generally think of large

We generally think of large

71" gem of Maligano Jasper set into a sterling silver bezel

"Relative growth rates of predator and prey dinosaurs reflect effects of predation

are the ancestors of all four-legged creatures

Darwin Glass gemsandminerals We generally think of largeOver 800,000 years ago, an airburst meteorite over Tasmania lit up the sky. In its wake, a hole in the Earth formed now known as Darwin Crater. The intense force and heat of the explosion shot debris into the sky, where it melted and cooled during flight into a rough natural glass called a tektite. These tektites were launched over 150 square miles and were eventually collected and traded by early human societies. This specimen is a piece of Darwin