Kyanite is a deep blue crystal. It is known for its ability to bring the chakras into alignment. It is a stone bringing tranquility and calm, making it an excellent stone to assist in meditation.
Amazonite is a calming stone used for communication, is connected to the fifth chakra, and is associated with the heart and throat. It dispels negative energy and improves confidence, leadership, and communication.
Cloudy Quartz is very powerful, it's used to heighten the properties and benefits of other gemstones it is next to, especially gemstones pertaining to the 3 upper chakras, related to communication, intuition, and spirituality.