Round shaped brown fossil semi precious gemstone Cotham Marble designer cabochon 40 mm in diameter and 6 mm thick.
Cotham Marble is a fossil or a stromatolite. Stromatolites are the oldest known fossils, dating back more than 3 billion years.
This fossil gemstone material came from southwest England. It is actually a limestone. It is from the Triassic period and is about 220 million years old.
Metaphysical Properties: Fossils can help increase accomplishments in the area of business and add excellence to one's environment. They also aid one in being open to change and new ideas.