5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Subhyracodon are especially prized for their

are especially prized for their vibrant robin’s egg blue hue

These rubies are generally not of gem quality due to their opacity and inclusions

It commonly occurs as colorless or white crystals but can also appear in shades of blue

revealing that attacks by tyrannosaurs often occurred on living animals

if alive today

5.8" Trilobite Trackway Cruziana Plate Fossil Ordovician Age Ouzina Morocco Subhyracodon are especially prized for theirLocation: Ouzina, Morocco Weight: 15. 8 Ounces Dimensions: 5. 8 Inches Long, 2. 8 Inches Wide, 0. 9 Inches Thick (Matrix) Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Trilobite trackways, labeled Cruziana and Rusophycus, are important trace fossils that provide paleontologists with direct insights into the behavior of ancient arthropods. Cruziana features bilobed, elongated furrows made as trilobites moved