Composite Mercury in the Signs

The Synastry and Composite are the most important charts in relationship astrology.

In the Composite Chart, Mercury represents how the couple communicates and what they like to talk about.

To properly assess Composite Mercury, we look at the sign, house, and aspects the Mercury receives. In this article, we will go over how the Composite Mercury behaves in different signs.


Composite Mercury in the Signs

The Composite Mercury in Aries

With Composite Mercury in Aries, the couple express themselves in a direct and honest way. They are very open with their thoughts and ideas, and may find debates invigorating. They are not afraid to tell each other what is on their minds. You are much more blunt and direct with each other than with other people.

Composite Mercury in Taurus

With Composite Mercury in Taurus, the couple communicates in a stable and calm way. They enjoy talking about pleasure and comfort, as well as discussing finances and saving.  Decisions will be made with care and consideration. They both might be quite stubborn, which could cause friction during disagreements.

Composite Mercury in Gemini

Mercury is naturally ruled by Gemini, so this couple finds communication easy and uncomplicated. They are both very curious people who love to learn new things together. They enjoy communicating frequently throughout the day. They might have a shared educational goals, and enjoy taking short trips together.

Composite Mercury in Cancer

This couple will like to talk about the past, their families, and their childhoods. They like checking in with each other to ensure the other feels cared for. Their communication style is rather emotional, and it might be difficult to keep feelings out of their conversations. They are very nurturing and understanding of each other.

Composite Mercury in Leo

This relationship encourages playful, creative communication. They communicate in a dramatic way, which can cause issues if they disagree with each other. They stroke each other’s egos and pump each other up. This couple loves complimenting and flirting, and feel free to brag about their accomplishments.

Composite Mercury in Virgo

This placement indicates the couple love to analyze and come up with solutions together. Their conversations are practical and productive, and usually center around health, fitness, and work. They are very helpful to each other, and are always trying to come up with ways to make their partner’s life easier and more efficient.

Composite Mercury in Libra

This is a very romantic placement for Mercury in a Composite chart, as it indicates sweet and harmonious communication. They both feel ‘heard’ in this relationship, given Libra’s focus on equality and harmony. They speak sweetly and lovingly to each other. They get each other’s input on big decisions, for they truly feel like a team. They also love talking about their relationship.

Composite Mercury in Scorpio

The Composite Mercury in Scorpio indicates intense and deep conversations. This couple will reveal a lot about themselves to each other. They help each other ‘get to the bottom’ of their deep issues. Conversations are very healing and transformative. There may be a tendency for one partner to force their opinion on the other.

Composite Mercury in Sagittarius

This couple has a positive communication style. They might talk more to each other than they do with other people. The couple feels more positive and optimistic when they are together, as they are always encouraging each other. There might be a shared interest in travel, higher education, and learning about different cultures.  Sagittarius can be quite blunt and direct, so if they get into a disagreement, the conversation can become quite passionate and loud.

Composite Mercury in Capricorn

This placement is great in a business partnership, as it indicates the couple has a shared interest in success. Discussions are serious, and might center around their careers and futures. They are very supportive of each other’s goals and help each other come up with a plan to reach them.

Composite Mercury in Aquarius

This couple communicates in a non-judgmental way. They enjoy discussing their ‘out of the box’ ideas with each other. Conversations might center around politics, technology and the betterment of humanity. They respect each other’s opinions and engage in healthy debates.

Composite Mercury in Pisces

This placement indicates a relationship in which communication is sweet, sensitive and compassionate.  There may be a tendency to keep secrets from each other. There might be a shared interest in spirituality, dreams, and the arts. At the same time, there is psychic-like connection between them, as if they can read each other’s minds.


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