The combination of Blue Quartz, colorful Moonstone, Aquamarine, and Hematite is believed to offer a powerful synergy of energies focused on communication, intuition, emotional balance, and grounding. 
Individual Meanings:
Blue Quartz: Associated with tranquility, clarity, and inner harmony. It is believed to facilitate clear and honest communication and promote emotional healing and balance.
Moonstone: Represents feminine energy, intuition, emotional balance, and new beginnings. It is believed to enhance psychic abilities, promote inner growth, and soothe emotions.
Aquamarine: Embodies calmness, serenity, courage, clear communication, and emotional balance. It's believed to help release anxiety and stress, fostering inner peace and promoting clear self-expression.
Hematite: Known as a grounding stone, Hematite connects you to the earth, providing stability and security. It is believed to absorb negative energy, enhance focus, and encourage strength and vitality. 
Combined Meaning:
When these stones are combined, their energies are thought to work together harmoniously:
Communication and Intuition: Blue Quartz promotes clear and honest communication, while Moonstone enhances intuition and access to inner wisdom.
Emotional Balance and Grounding: Aquamarine and Moonstone work together to soothe emotions and promote inner peace, while Hematite provides grounding energy and stability.
Enhanced Self-Expression: Blue Quartz and Aquamarine support the throat chakra, enhancing the ability to express oneself clearly and authentically. 
In essence, this combination is believed to promote clear communication, enhanced intuition, emotional balance, and a grounded sense of self, supporting overall well-being and personal growth.