With Mars in Gemini the energies of a person are manifested in the realm of ideas and knowledge as represented by the sign of Gemini. These people may possess powerful communicative abilities and may be strong speakers. There tongue may be quite sharp and they may possess a quick and cutting wit. They will revel in a good debate or test of their knowledge. They may speak impulsively and then go on to regret their words at a later date. They can certainly be quite damaging to others with just words alone. The combination of Mars in Gemini is particularly good for Journalists and Reporters and Politicians.