Smoky quartz is a brown to gray-black variety of quartz that is known for its smoky color, which is caused by natural irradiation. Here are some of the benefits of smoky quartz:

1. Grounding: Smoky quartz is believed to have a grounding energy that can help to anchor you to the earth and promote feelings of stability and security.
   
   
2. Protection: Smoky quartz is said to have a protective energy that can help to ward off negative energies and influences. It is often used in crystal grids and amulets for protection.
   
   
3. Emotional balance: Smoky quartz is believed to help balance emotions and promote feelings of calmness and serenity. It can be helpful if you are feeling overwhelmed, anxious, or stressed.
   
   
4. Manifestation: Smoky quartz is said to be a powerful manifestation stone that can help to amplify your intentions and bring them into reality.
   
   
5. Detoxification: Smoky quartz is believed to help with detoxification and purification, both physically and energetically. It is often used in crystal healing for clearing negative energy from the body and environment.
   
   
6. Calming: Smoky quartz is said to have a calming energy that can help to soothe anxiety and promote feelings of relaxation and serenity. This can be helpful in reducing stress and tension in relationships.
   
   
7. Communication: Smoky quartz is believed to enhance communication, both verbal and non-verbal, and can help to promote clearer and more effective communication in relationships.

It's important to note that these benefits are based on the belief system of crystal healing and are not supported by scientific evidence. If you are experiencing physical or emotional issues, it's always best to seek the advice of a qualified professional.