Category: News Archive

Diamond Market News

The diamond market around the world, and especially in North America, has entered unknown waters as far as accurately predicting what’s coming down the pipeline. Diamond “experts” continually weigh in with their predications of what…

Cuprite

INTRODUCTION Cuprite is a mineral species, cuprous oxide, with the formula Cu2O. It was named in 1845 by Wilhelm Karl von Haidinger. The name comes from the Latin “cuprum” in allusion to its composition. Cuprite is…

Paraiba Tourmaline

Tourmaline is one of the most popular and complex gemstones and has a long history. Due to its rich chemistry and growth conditions, it comes not only in many different colors but also in unusual…

Colored Stone Market

In Asia, jewelers report improving sales as consumers spend on luxury. In the USA, cautious mood greets traders as more markets emerge from COVID-19 closures. A range of colors are expected to see good demand…

Kunzite: a rosy spodumene with an American name

Spodumene is almost exclusively a pegmatitic mineral of the pyroxene group that forms in monoclinic system with a chemical formula of LiAlSi2O6. Its hardness is 6.5 to 7 on the Mohs’ scale and displays perfect prismatic cleavage. Transparent and colored varieties show strong pleochroism. Strangely, the name spodumene means “ash-colored” in Greek referring to the dull and colorless examples when it was first named in the second half of the 19th century.

Diopside

The upbeat albeit uneventful Tucson gem shows at the beginning of 2020 have been followed by the unprecedented effects of COVID-19. While it is too early to predict any outcome, it is clear that almost everything in the gem business has been experiencing an extreme slowdown.