Iridescent Baculite Fossil (Straight Ammonite) it is possible it is

it is possible it is further derived from the Latin word "granum" meaning grain or seed

Here is a unique presentation of cavansite on stilbite

This means it forms with no true crystal structure

This mineral is most commonly found colorless or with slightly warm hues

Iridescent Baculite Fossil (Straight Ammonite) it is possible it isSize: 2. 2 x 1. 1 x 0. 6 in. Weight: 1. 6 oz. Here is a fossil that is not often seen in your everyday fossil collection. It is the iridescent shell of a Baculite. This is an extinct cephalopod that lived during the Cretaceous Period. They are related to the more popular ammonite. However, their shells were straight instead of coiled. The shell of aragonite and conchiolin creates thin layers with lots of color play due to interference of light. You