Identifying gemstones is not a trivial task. While properties such as color and transparency can help with identification, gemstones such as rubies, spinels, and garnets can be difficult to ...

Once a thriving city in Iran’s Sistan and Baluchestan Province around 3200 B.C., Shahr-e Sokhteh now stands abandoned. Shahr-e Sokhteh, which means “Burnt City,” was located at the junction of trade ...