Destructive Gemstone Tests: Scratch Testing
Scratch testing can help determine the Mohs hardness value of a mineral sample. If done carefully, this procedure can help gemologists identify…
Scratch testing can help determine the Mohs hardness value of a mineral sample. If done carefully, this procedure can help gemologists identify…
Gemstone heat treatments can turn mediocre pieces into items of great beauty. Heating a gem to a specific temperature and then cooling it is a common…
Introduced in 1960, the classic princess by A. Nagy was an economical cut for flat diamond crystals. However, this popular design doesn’t lend…
What will 2018 bring to the world of gems and jewelry? Learn about the latest gem trends — everything from colors, designs, and settings to the…
Hyper-Edge gem faceting laps will save you time and money. In particular, learn how the 1,500-grit lap compares with other types of laps.
Think of jewelry stones as reflections of you or the recipient. Learning about colored gems can help you find the gemstone personality you’re looking…
The idea of a single birthstone for each month is a modern idea with a long history, but today’s consumers can choose gems from traditional or modern…
Can you turn dark saturated rough gems into facetable material? Learn how to pick the right cuts and heat treatments and, importantly, when to just…
Tips, details, and a guide on Faceting Designs. A Faceting Design Diagram by Jeff R. Graham that presents various cuts, this one is called “Nimble…