Click below for a PowerPoint presentation about echinoids.

Topics of Interest

An interesting video about meteorites

Watch mining for Amethyst in Uruguay

Related Rock, Mineral, Fossil, and Gem Websites

Yooperlite Video

 Link not working?  Contact webmaster.

 PBS Digital Studio has a YouTube channel called EONS. The first episode explores the evolution, diversity, and extinction of trilobites:  click below

See how a stone sphere is made.

Click below to learn about rock tumbling.

Montbrook Fossil Site Saber Tooth Cat

of Hernando County, Florida.

A detailed video about making a stone sphere