Calcite - Specimen lock Ammonites are an extinct form

Ammonites are an extinct form of mollusk that thrived in the seas during the time of the dinosaurs and are related to squid

Mined from: Sierra De Cruces

giving it the classic bird-like theropod shape associated with Grallator tracks

dinosaur bone is often associated with deep time

has been known for its emerald deposits for centuries

Calcite - Specimen lock Ammonites are an extinct formMined from: Linwood Mine, Buffalo, Scott County, Iowa Description: A striking, one of a kind calcite specimen featuring a dense cluster of sharply formed, blocky crystals elegantly spread across a limestone matrix. This piece showcases classic Midwestern U. S. calcite morphology, with well defined rhombohedral to pseudo cubic crystal habits that create a visually captivating, geometric landscape. The crystals range from transparent to softly