June 1, 2019June 16, 2020 BJ Deming

Guest Video: Amber, Ethics, and Lifelines

April 4, 2018March 30, 2018 BJ Deming

Guest Video: Collecting Topaz in Utah

March 27, 2018April 1, 2021 BJ Deming

Guest Videos: The Hidden Secrets of Minerals

March 7, 2018April 1, 2021 BJ Deming

Guest Video: Peridot, A Mantle Gem

March 3, 2018April 1, 2021 BJ Deming

Guest Video: Digging Up A Herkimer Diamond

November 23, 2014April 1, 2021 BJ Deming

The World’s Top Five Diamonds

October 30, 2014October 29, 2014 BJ Deming

The Gold and Emeralds of Ancient Egypt

October 16, 2014October 29, 2014 BJ Deming

Tolkien’s “Errantry”: Coral and Ivory

October 2, 2014October 6, 2014 BJ Deming

Tolkien’s “Errantry”: Malachite stalactites

September 25, 2014October 20, 2014 BJ Deming

Tolkien’s “Errantry”: Chalcedony