Agate Slice

Agate Slice

521 million years old

which over the course of millions of years becomes solid while retaining the semitransparent yellowish hue of tree sap

Azurite is a striking copper-based mineral found in shades of deep blue to vivid green

One of the most widely recognized and unmistakable minerals

449 million years old

with box - 8

Rainbow or peacock pyrite is a much rarer form of pyrite named for the unmistakable and incredibly vibrant rainbow-colored iridescence it displays

and is one of the more common gems although pieces of exceptional hue and clarity are considered fairly rare and can be extremely valuable

This preglabellar ring (head shield) is covered in many sensory pits which may have held hairlike features when the trilobite was alive

Azurite has been sought after since ancient times as a gem and for use in blue pigment

It has a very dramatic "head shield" which is often interpreted as a mechanism to help it stay on top of a soft ocean floor

so much that the local tribes people used to use these mudstones as currency in trade and other daily life