Duck Creek Dolomite - 4.368" Stromatolite Formation opal the result of bismuth atoms

the result of bismuth atoms attaching to the edge of a rapidly growing crystal

pyrite often forms in cubic crystals

Morse sent the first telegraph message in 1844

Even 20 miles of the English Channel could not hold back the constant flow of messages

This is pure copper and it is quite malleable

Duck Creek Dolomite - 4.368" Stromatolite Formation opal the result of bismuth atomsWith 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 4. 368" 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