Ultra Hematitic Rose Rock | Oklahoma flurite Stromatolites are layered colonial sedimentary

Stromatolites are layered colonial sedimentary structures predominantly formed by photosynthetic microorganisms

They first emerged in the Triassic Period (240 million years ago) and survived until the Cretaceous Period (65 million years ago)

75" and weighs 5

This item is 5" x 1

5” and weighs 23

Ultra Hematitic Rose Rock | Oklahoma flurite Stromatolites are layered colonial sedimentaryThese dark red violet rose rocks consist of sandy crystals of barite (barium sulfate) in petal like clusters that resemble a rose in full bloom. These specimens are richer in iron than normal barite roses, giving them their unique coloring. Deposited approximately 250 million years ago during the Permian Period. The rose rocks are found in Oklahomas Garber sandstone formations. Because the barite is more durable than the sandstone, the rosettes erode