Gemini Tattoo Symbol - Gemini, the twins, the third sign of the ZODIAC (May 21 - June 20), is generally the symbol of duality and also human contact. Some zodiacs employ the image of two children holding hands while others use as a man and a woman or even, in the case of a Coptic Zodiac, as a pair of lovers. Positive traits ascribed to those born under this sign traditionally include intelligence and skill at communication with negative traits including inconsistency and a tendency toward gossip