The Robberg is one of southern Africa's most distinctive and widespread stone tool technologies. Robberg tools—which we found ...

Garnets have been a highly collectible gemstone since prehistoric times, and Arizona is renowned for hosting some of the best specimens. These gemstones are formed as a result of a combination of ...

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The Bible makes many references to jewels and precious stones. This is not so surprising, since in every civilisation gemstones have been highly prized and sought after. There are many gemstones and ...