Ammonite Fossils with Spiked Spines / 1.5-2.5" AVG - 1 KILO LOT Menu raw crystal point pendants and basalt chalcedony

and basalt chalcedony

Avg Size Range: (30 to 35 millimeters)

where the mineral undergoes transformation into its distinctive metallic-gray crystalline structure through geological processes involving sedimentation and diagenesis

amount of individual pieces varies)

Ammonite Fossils with Spiked Spines / 1.5-2.5" AVG - 1 KILO LOT Menu raw crystal point pendants and basalt chalcedonyQuantity: 1 kilogram Average size range: 1. 5 to 2. 5 inches Ammonites were spiral shelled animals that lived hundreds of millions of years ago, and are most closely related to modern day octopi and cuttlefish than mollusks. The fossils for these species are so widespread that paleontologists and geologists use them as index fossils to determine when rock layers formed.