27:50
ROUGH OPAL CUT A HARLEQUIN PATTERN BLACK OPAL - 1 in 10,000 GEMS
40:56
Who Was The Greatest Medieval Sorcerer?
12:51
What Is The Difference Between Jasper And Chert?
19:55
Found Perfect Agate while Wading in Lake Superior [Cutting finds on lapidary saw]
1:13:05