Alongside the lively stories of which Mercury is the central character, and which express the fundamental characteristics of those born under this sign, one cannot forget the story of Castor and Pollux, the famous protagonists in the emblematic tragedy of brotherly love. The Dioscuri (as they came to be known) were the sons of the beautiful Leda, but by different fathers.
Pollux was the son of Zeus (Jupiter), and the mortal Tyndareus was the father of Castor. When Castor lost his life in a mortal duel, his greatly unhappy brother implored his father Zeus to grant his unfortunate brother immortality, and so save him from death. Zeus conceded that Castor would spent six months of the year in the Underworld and six months on Olympus in the company of his brother.
From this story one can understand how the mercurial nature is, in reality, less happy and superficial to what it seems, and that it is always ready to analysis its feelings and inner sensitivity. It indicates a changeable state of mind, but a great capacity to intellectually analyse things, people, situations, and having a particular propensity for psychology and awareness of others. According to the ancients, Mercury was the inventor of the alphabet and musical notes, confirming the intellectual nature of the sign, its eclecticism and curiosity in many different fields. There is also the story of Mercury-Thoth ( the Egyptian version of god), playing chess with the Moon, and after winning the game forcing her to re-order the calendar of the time. The astrological Era corresponding to Gemini, according to astrological tradition, is the one tied to the first commercial exchanges, to the Phoenicians and their contacts with Mediterranean countries, the development of the barter system as the earliest form of exchange.
Gemini so often compared to the Harlequin mask for its originality and for knowing how to stand out from the others, sometimes without showing themselves completely...