SOCGEMS Presents - Walt Lombardo - From Mine to Masterpiece

(1:19:24)

SOCGEMS Presents Al Gilberston of GIA - The Evolution of Diamond Cutting

(1:14:6)

SOCGEMS Presents Special Guest Speaker, Author Ron Ringsrud

(1:5:18)

SOCGEMS Presents - Traveling the Turquoise Highway with Richard Birt

(1:20:21)

SOCGEMS Presents Native American Modernism 1969 - Present with Richard Birt

(58:53)

SOCGEMS Presents Prehistoric Jewelry from the US Southwest, with Robert K. Liu, Ph.D.

(1:26:27)

SOCGEMS Presents Brian Cook - Paraiba Tourmalines

(1:2:5)

SOCGEMS Presents: Southwest Native American Jewelry: Modernism 1920-1968 with Richard Birt

(1:29:18)

SOCGEMS Richard Birt Navajo Jewelry July2020

(1:40:36)

OPAL: The Starry Gem A presentation by Richard Birt / May 2020 SOCGEMS General Meeting.

(1:14:38)

Walt Lombardo SOCGEMS June2020

(1:16:11)

Sapphires From Montana - A Historical, Geological, and Gemological Overview

(1:7:7)

Gemstone Hunting in Afganistan and Tajikistan with Gary Bowersox

(58:17)