Round shaped gray and brown semi precious gemstone Cotham Marble fossil designer stone cabochon 39 mm in diameter and 5 mm thick.
It has a tiny soft, rough spot on the edge.
Cotham Marble is a fossil or a stromatolite.
Stromatolites are the oldest known fossils, dating back more than 3 billion years.
Though Called Cotham Marble is actually a limestone, not a marble.
Cotham Marble is from the Triassic period and is about 220 million years old.
Metaphysical Properties: It is believed that Fossils in general can help increase accomplishments in the area of business and add excellence to one's environment. They are also said to aid one in being open to change and new ideas.