Gemstone Thermal Properties
Non-destructive tests are critical for gemologists trying to identify gems. Learn how measuring thermal properties, especially thermal inertia,…
Non-destructive tests are critical for gemologists trying to identify gems. Learn how measuring thermal properties, especially thermal inertia,…
Gemstone coatings have been popular for thousands of years. In the modern era, the most robust coatings are applied by chemical vapor deposition…
Gemstone coatings are a simple way to enhance color and luster. Learn about commonly coated gems, different coating techniques, and how to detect…
Last weekend, I visited the Colorado Mineral & Fossil Fall Show, and I brought my mom! She’s always had an interest in rocks, but a gem show…
Like many other types of assets, gemstones have markets influenced by macroeconomic factors, such as economic growth, changes in interest rates,…
There are so many common gemstone treatments available today that keeping track of them can be difficult. This list and handy cheat sheet can help.…
Gemstone investors must keep up with global trends when evaluating market risk. Learn how studying sociocultural factors can lead to profit opportunities.…
Gemstone treatments and synthetics are becoming more sophisticated. Learn about the advanced gemology equipment that gem labs use to stay ahead…
New to the gem trade or just a hobbyist? Don’t be intimidated! Follow these tips for your first gem show to make the most out of the event.