Andesine Debate Continues
In the last issue of the Gem Market News, we printed an article by Richard Hughes, titled Faith: In Search of the Lost Andesine Mines. Hughes is a respected author and gem expert who has…
Gem Market NewsOf Beryllium and Beefsteak
Diffusion in gemology can be defined as a method of artificially coloring gemstones, not unlike the dyeing of cloth. Diffusion is actually a very common process that we meet in many different contexts. The dying of natural…
*Free Featured ArticlesAppraising an Aftermarket Rolex: A Case Study in Managing the Client and Appraiser Obligations
A simple Rolex watch can be an easy assignment once authenticated, by simply looking up the replacement value.
The Appraiser's NotebookRed and Yellow…Emeralds?
History tells us that emeralds are green. Gemology tells us that emeralds are green. In the late 1990’s one company started campaigning to refer to red beryl as red emerald, to market the rare gem…
Colored Stone MarketColored Stone Market
Market activity this summer remained light but conditions improved from the same period last year. Wholesale dealers continue to experience resistance from the retail level of the market. With inven- tory levels low, firms are…
Colored Stone MarketMarket Trends – Beryl
The beryl family consists of many varieties including emerald, green beryl, aquamarine, morganite, red beryl, heliodor (yellow), and goshenite (colorless). The GemGuide historically has priced five of these seven varieties. The rarity of red beryl…
Market TrendsBuying at the Source: The Virtues of Dick’s Law and Other Sundry Maxims of the East
There are many humorous things in the world; among them the white man's notion that he is less savage than the other savages. Mark Twain, Following the Equator, p. 213 Go East Young Man From the times of Alexander…
Featured ArticlesColored Stone Market – Basel Show
The colored stone market remains cautiously optimistic. Buying for stock continues at the Basel Show. Emerald extends upward trend, while sapphire retains its dominant position in the colored stone world…
Colored Stone MarketGem & Jewelry Appraising, Techniques of Professional Practice, 3rd Edition
Appraisal educator, the late Anna Miller lives on in the newly revised 3rd edition of her groundbreaking book Gem & Jewelry Appraising. Miller’s original appraisal book, first published in 1988, was the first on the…
Book Review