Grandidierite
Grandidierite has been a rare collector’s stone since its discovery in Tuléar Province, Madagascar at the end of the 19th century. It is a nesosilicate with a chemical formula of (Mg,Fe)Al3(BO4)(SiO4)O and crystalizes in the…
Gem NotesDiamond Market 2018
Polished prices on the rise—slowly. Indian import duties not well-received. Antwerp diamond trade has a great start to 2018. DeBeers says the need to restock creating demand for diamonds in early part of the new year. Rio…
Diamond MarketCollecting Engraved Gems
This text gives an overview of the characteristics associated with engraved gems, presented from the perspective of a collector. Furthermore, it demonstrates that gem collectors have always existed and enjoyed a variation of gems based on…
Featured ArticlesColored Stone Market: The Tucson Gem Shows
Trade sees an array of gems in demand this year in Tucson. Ethiopian emerald arrives in quantity. Trade terms on lab reports were a main focus of debate in Tucson again this year. The market remains…
Colored Stone MarketGem Market Pulse January 2018: Garnets, Simply Beautiful
The 2017 holiday shopping season exceeded expectations in dollars spent thus signaling consumer confidence in the current direction of the economy. MasterCard reports that retail sales grew 4.9% this holiday season. Of particular interest is…
*Gem Focus & Market Pulse (Free Subscriber)Enhanced Lapidary Materials: Phantoms of the Opera
In this second installment, we will take a closer look at howlite and magnesite, two minerals that have famous all-natural varieties and infamous dyed simulants. They are all like “Phantoms of the Opera” hiding behind…
Featured ArticlesDiamond Market – January 2018
With innovation in the marketplace, the industry is looking to the future. Blockchain possibly coming to the diamond industry. Dominion Diamond Corporation changes its corporate structure. Diamond markets mood is generally positive. The one-time diamond market…
Diamond Market2019 Forecast Color Palette as seen through the lens of the Gem & Jewelry Industry
Color forecasting is done two years in advance for many industries such as fashion and automotive. It is also important for jewelry manufacturers to plan this far in advance for design, sourcing, manufacturing, and promotion. Color…
Featured ArticlesThe Colored Stone Market – Jan 2018
Too soon to tell how the season shaped up for jewelry sector but retail in general experienced growth. Colored gems hit good stride in 2017. Tucson positioned for decent turnout. Midterms mean uncertainty for market…
Colored Stone MarketJeremejevite
INTRODUCTION Jeremejevite is a mineral species with the formula, Al6B5O15(OH,F)3. It is pronounced by replacing the “J” with “Y” so phonetically, it would be “yeremeyevite.” It was first discovered in 1883 on Mt. Soktuj in East…
Gem Notes