A variety of esteemed guest speakers were featured at the 2012 Symposium to educate collectors on everything from mine adventures to geology.

Science for the Collector: Gem-Forming Pegmatites: How Nature Makes Big, Clear Crystals
Dr. David London
ConocoPhillips School of Geology and Geophysics, University of Oklahoma

Dangerous Beauty: Minerals of the Hindu Kush
Opening Afghanistan and Pakistan for Mineral Specimens
Herb Obodda

Burma’s Ancient Valley of Gems and Rubies
Travels to the Source in Mogok
William Larson

Mineral Cleaning and Preparation Technology
John Voelter

Science for the Collector: Formation of Open Pockets of Collectible Crystals in Metallic Deposits (Tsumeb, Dal’negorsk, Bisbee)
Dr. Peter Megaw
Consulting Exploration Geologist & President
IMDEX/Cascabel

Exploring the Mines of Dal’Negorsk, Siberia
Rock Currier

Bisbee, Arizona: Queen of Arizona’s Copper Camps, King of Arizona’s Mineral Localities
Les Presmyk