Diamond Lookalikes Listed by Specific Gravity
Distinguishing diamond lookalikes from the real thing can be challenging. Learn how to use specific gravity and birefringence to make simple…
Distinguishing diamond lookalikes from the real thing can be challenging. Learn how to use specific gravity and birefringence to make simple…
March 28, 2022 Despite the consensus that the Russia-Ukraine war could see long-term negative effects on the global diamond industry, the secretary…
You can use a polariscope to observe gemstone twinning, dichroism, and crystal strain. Test your ability to identify these and other gem properties…
Luxury Jewelry Store – Full service, on-site Master Jeweler, Swiss Watchmaker …
March 25, 2022 The Mir diamond mine in Yakutia, Russia. It was opened in 1957 and closed in 2004. Photo Credit: Shutterstock/GreSiStudio This week…
Polishing synthetic corundum without leaving pits requires certain techniques and tools. Get expert lapidary advice here.
The polariscope is an essential tool for gem identification. Learn how it works, how to use it, and how to test gemstone refraction.
Gem formation usually involves mineral crystallization and other geological processes. Learn how these affect the gemstone properties gemologists…