Ti-chromite and fayalite in a partly vesicular matrix containing minor kamacite and barite

paleolithic

Price is per RANDOMLY-SELECTED specimen and they can be shipped worldwide

It's actually a form of petrified wood

These specimens measure ~

Trilobite Fossils, Flexicalymene Medieval Ti-chromite and fayalite in aThese are real fossilized trilobites (Flexicalymene ouzregui)! Trilobites were an extremely adaptive marine arthropod that first evolved roughly 521 million years ago and rapidly spread across the globe. They diversified into approximately 17,000 species and were one of history's most successful animals existing for over 270 million years before extinction! These 2 3" long (average) trilobites date back to the Upper Ordovician and were found in