Rainbow Pyrite Ammonite Cross-Section · Museum Grade

A fully pyritized ammonite, cut and polished into a half-section 5.8 cm across. Each internal chamber is lined with pyrite crystals showing rainbow iridescence, while the outer face shows crisp, well-defined sutures. In excellent condition with only minor natural imperfections — a genuine fossil and natural mineral piece in one, and a standout addition to any collection, desk or shelf. Includes the display stand pictured.