INFOGRAPHIC: Can You Identify this Metal We Use At Dinner Time? It’s a busy time of year. End-of-year sales, holiday... by Jonathan Margalit, PhD / 12.19.2013 Read More INFOGRAPHIC: Can You Identify this Metal We Use At Dinner Time?
INFOGRAPHIC: 8 Reasons Jewelers Should NOT Use Acid to Test Jewe... In our last article we saw how one gold dealer tests, weigh... by Jonathan Margalit, PhD / 12.17.2013 Read More INFOGRAPHIC: 8 Reasons Jewelers Should NOT Use Acid to Test Jewelry
VIDEO: How Does a Gold Dealer Value Jewelry? Here’s a short video demonstration that shows how one gold... by Jonathan Margalit, PhD / 12.12.2013 Read More VIDEO: How Does a Gold Dealer Value Jewelry?
XRF Technology Emerges as a Valuable Tool for Assessing Coins I recently presented a webinar on XRF and Numismatics. Her... by Jonathan Margalit, PhD / 12.10.2013 Read More XRF Technology Emerges as a Valuable Tool for Assessing Coins
Buyer (and Seller) Beware…. Fake Gold Hitting Pawn Shops and J... [Administrative Note: Because this is usually the busiest se... by Jonathan Margalit, PhD / 12.05.2013 Read More Buyer (and Seller) Beware…. Fake Gold Hitting Pawn Shops and Jewelry Stores
Collectors and Buyers Have to Be More Diligent when Buying and S... Counterfeit gold and silver products are on the rise. While ... by Jonathan Margalit, PhD / 11.21.2013 Read More Collectors and Buyers Have to Be More Diligent when Buying and Selling Gold Coins