Here are audio versions of posts that I think might be particularly helpful or of interest to to pearl and bead stringers.
Chicago Jeweler Among Titanic Victims
Trade Changes Impact Pearl and Bead Stringers
De Beers Burnishes Public Image
Avoid Destructive Tests for Gemstones
The Need for Knotting Between Gemstones
Fundamental Shifts in Freshwater Pearl Market
Enraged Consumer Rightly Slams Diamond Seller
Antique Jewelry May Be Disappearing
Determining if the Pearls are Real