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Dallas Symposium 2017: 01- Rob Lavinsky Opening
Dallas Symposium 2018: 00 - Rob Lavinsky Opening
2019 Dallas Symposium - Opening
Dallas Symposium 2018: 01 - Dr. Rob Bowell
Dallas Symposium 2017: 10 - Robert Hazen
Dallas Symposium 2017: 02 - Richard Huges
Dallas Mineral Collecting Symposium: 2018
Dallas Symposium 2017: 04 - George Rossman
How Big, Beautiful Crystals Form by Dr. John Rakovan at the 2016 Dallas Mineral Collecting Symposium
Dallas Symposium 2017: 08 - Peter Lyckberg
Dallas Symposium 2017: 03 - Federico Barlocher
Dallas Symposium 2018: 04 - Alain Martaud
