Ghost cat crystals are a relatively new trend in the metaphysical community. They are often carved from Yellow Jasper, Lepidolite, Sodalite or, Labradorite and depict a cat-like figure with a ghostly, ethereal appearance.
Metaphysical Properties Associated with Ghost Cat Crystals:
While there isn't a specific metaphysical property uniquely tied to ghost cat crystals, their association with cats and the ethereal nature of their design can lend them certain symbolic meanings:
Intuition and Psychic Awareness: Cats are often associated with intuition and psychic abilities. A ghost cat crystal might enhance these qualities.  
Protection and Warding Off Negative Energy: The ghostly image can symbolize protection from negative influences and unwanted energies.
Playfulness and Creativity: Cats are often seen as playful and creative creatures. A ghost cat crystal might inspire creativity and a playful spirit.  
Mystery and the Unknown: A ghost cat's ethereal nature can evoke a sense of mystery and intrigue, encouraging exploration of the unknown.
It's important to note that the metaphysical properties of crystals are often subjective and based on individual beliefs. The power of a crystal lies in your intention and belief in its energy.
When using a ghost cat crystal, you might consider:
Meditation: Place the crystal on your altar or hold it during meditation to connect with its energy.
Grid Work: Incorporate the crystal into a crystal grid to amplify its energy and intentions.
Home Decor: Display the crystal in your home to create a unique and mystical atmosphere.
Ultimately, the best way to harness the energy of a ghost cat crystal is to connect with it personally and trust your intuition.