The History of Gemini Birthstone is essentially as captivating as the zodiac sign itself. For quite a long time, Agate, a type of chalcedony, has been related with Gemini. Venerated in old societies, agate was accepted to advance equilibrium, assurance, and agreement, impeccably supplementing Gemini's versatile and scholarly character. The Romans and Greeks involved agate in ornaments, esteeming it for its establishing energy and excellence.