A gemstone is the name given to a rare or otherwise highly prized mineral crystal. They are often cut and polished to make jewelry, ornaments, and clothes. Gemstones have been sought after by mankind ...
African markets are a treasure trove of gemstones, offering a unique opportunity to explore and purchase these natural ...
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 ...