1 Single Stone 
Absorbs negative energy. Blue quartz and the larger quartz family are considered powerful tools for absorbing and neutralizing negative or stagnant energy from a person's aura and surroundings.
Strengthens and protects the aura. This crystal can help fortify and protect the aura against psychic attacks and negative energies.
Aligns the chakras. While strongly connected to the throat and third-eye chakras, blue quartz is also believed to help harmonize and align the body's entire chakra system, bringing the aura into balance.
Encourages a fresh perspective. By helping to clear away and release negative thought patterns, blue quartz is thought to inspire personal growth and provide a clearer understanding of your life's path
promoting emotional stability, calming the mind, and enhancing communication. It is used to reduce stress and anxiety, aid in emotional clarity, and support self-expression. This stone is also beneficial for those seeking to focus their thoughts and improve personal growth. 
Emotional and mental benefits
Calms the mind: Blue quartz is known for its soothing energy, which helps calm the mind and reduce feelings of stress and anxiety.
Promotes emotional clarity: It can help provide clarity of thought and emotional stability.
Reduces stress: It is often used as a tool to help manage daily stress. 
Communication and creativity
Enhances communication: Associated with the throat chakra, blue quartz is believed to improve communication skills and promote authentic expression.
Supports creativity: It can inspire creativity and personal growth. 
Other uses
Meditation aid: Blue quartz is helpful during meditation, especially for those who practice breathwork and yoga, as it can help focus the mind.
Personal development: It is seen as a tool for spiritual journey and personal development.