Mercury rules 9th and 12th house is in 9th house in Gemini

Mercury is the natural ruler of communication, speech, intellect and analytical ability. In the 9th house, the planet of Mercury is in the house of higher learning, religion, philosophy, and long-distance journeys. The placement of Mercury in this house makes one inclined towards learning new things in life and gaining knowledge through education and traveling.

The natives born under this placement of Mercury are sharp-minded and intellectual, and possess excellent communication skills. They have a natural curiosity to learn about new cultures, philosophies, and spiritual wisdom. These people are often known to be great story-tellers and excellent communicators, with the ability to persuade and influence others.

Being in the sign of Gemini, this placement of Mercury further enhances the native's communication abilities and intellectual prowess. They have an innate gift of being able to express their thoughts and ideas effectively, making them adept at teaching, writing, or any other profession that requires good communication skills.

Overall, this is a favorable placement for Mercury, and it contributes positively to the native's intellectual and communicative abilities, making them knowledgeable and influential in their respective fields of work.