Hundreds of Polished Ammonite Shells in Stone Matrices (Auction 2026-06-05, Lot 126)

$321.25

North Africa, Morocco, Devonian to Jurassic Period, ca. 419.2 to 145 million years ago. Approximately 20 lbs. (9 kg) of cut and polished circular stone matrices, each revealing a naturally occurring ammonite fossil at its center – ranging in size from small to palm-sized discs with warm brown, gray, and ochre tones. An exceptional bulk lot for mosaic artists, tile installations, jewelry makers, or anyone looking to incorporate prehistoric fossils into a creative project. Sizes range from: 2″ Diameter (5.1 cm) to 1″ Diameter (2.5 cm)

Provenance: private Colorado, USA collection

Condition: Damaged. Chips and nicks, several are fragmentary, but the majority are intact. Cut with a flat underside and convex and polished top.