AGTA-sourced gemstones are now clearly labeled on Stuller.com, making it easy to identify ethical, AGTA-approved suppliers.

Pakistan Gems and Jewellery Development Company (PGJDC) has organised a training course on gemstone identification at its Gem Exchange at Namak Mandi, Peshawar. Ilyas Ali Shah, a PGJDC geologist, is ...

Spectroscopy was first used for studying minerals and gems soon after Isaac Newton attempted to separate sunlight into its component colors with the help of a prism. By the mid-1800s, researchers ...