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It typically forms in regional metamorphic environments where pre-existing rocks
with their proportions varying based on the specimen's individual cooling trajectory and parent body metamorphism
5 million years
Calcite appears in various shapes and develops in diverse geological environments
2.4" Brittlestar Ophiura Sp Starfish Fossil Ordovician Age Morocco COA Mammoth Tooth It typically forms in regionalLocation: Kataoua Formation, Blekus, Morocco Weight: 4 Ounces Dimension: 3. 8 Inches Long, 2. 4 Inches Wide, 0. 6 Inches Thick (Plate) Starfish Dimensions: 2. 4 Inches Long, 1. 6 Inches Wide Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Brittlestar Ophiura Sp This fascinating limestone slab originates from Middle Upper Ordovician rocks, about 450 million years old, found in the Anti Atlas region of the