Your two moon signs are 120 degrees apart in a Trine angle.
There will usually be a great understanding and respect between the two of you in this relationship. It is likely that you will both have similar desires and motivations. You may share a great understanding, opinion and have tremendous respect for each other. Your Moon signs indicate that you are extremely well matched.
Gemini is typically a Moon sign of sociability, charm and wit, and communication. Libra is a Moon sign of charm, tact, harmony and well-being. This is a Moon match made in heaven and it could be one of the best duo in the entire Zodiac.