Duck Creek Dolomite - 2.228" Stromatolite Formation splitammonite There are numerous large craters

There are numerous large craters here

It also featured in Age of Dinosaurs

Each strand contains 6

These fractal patterns are known as hopper crystals

This specimen is a piece of brick material from the original Metropolitan Opera House

Duck Creek Dolomite - 2.228" Stromatolite Formation splitammonite There are numerous large cratersWith its striking orange coloring and limestone like properties, Duck Creek Dolomite is both a beautiful formation and a curious geological phenomenon. Abundant in ancient deposits but rarer in newer formations, Dolomite continues to puzzle geologists. This specimen is a 2. 228" piece of Dolomite from Duck Creek, a part of Western Australia's Ashburton Basin, dating to 1. 8 billion years ago. It shows evidence of a stromatolite fossil, a prehistoric