Polished Fossil Algal Colony | Utah Mangano Calcite This specimen features rich

This specimen features rich

and deep browns

Stromatolites are layered colonial sedimentary structures predominantly formed by photosynthetic microorganisms

sharp tips

Polished Fossil Algal Colony | Utah Mangano Calcite This specimen features richThis polished specimen displays an ancient algal colony fossil from the Pennsylvanian Period (approximately 323299 million years ago). Found in Utah, these colonial algae once thrived in warm, shallow seas, forming distinctive concentric and layered growth patterns. The fossils intricate structure and earthy coloration reveal the beauty of early marine life preserved in stone over hundreds of millions of years. This item is 6. 5 x 4. 5 and weighs 40.