Zircon crystals or stones have an intense energy that is highly spiritual.
They will help you to love yourself and others, and to recognize the spiritual aspects of yourself.
It will bring the spiritual energy down from the higher transpersonal chakras via the crown chakra, then move it to all of the lower chakras.
If you have problems that are causing you serious issues, and you need to take yourself out of the situation, meaning to distance your opinions and take guidance from spirit, they will help you.
It will ground this energy at the base chakra, then take the energy down to the earth star chakra and Mother Gaia.
While it is a spiritual stone, it is also a strong stone for grounding you. These stones have beneficial metaphysical properties, that will work within all of the chakras to stimulate the movement of sluggish energy.