AMM119 Drilled Ammonite, Whole Pyrite The history of Lake Superior's

The history of Lake Superior's formation and how it relates to agates

Citrine is a yellow quartz

Chalcopyrite is a copper iron sulfide

The arrowheads pictured are representative of the necklaces you will receive in the lot

chalcedony and turquoise

AMM119 Drilled Ammonite, Whole Pyrite The history of Lake Superior'sA 2mm hole is drilled on top. Ammonites are prehistoric nautilus related to the modern day nautilus, squid, and octopus family. Ammonites are called cephalopods because their heads and tentacles protruded out of the same opening; they grew by building larger chambers on their shells. These specimens were found in Majanga, Madagascar, they date back to the Cretaceous period (65 146 million years ago). 43mm x 35mm