JET STONE: Jet is commonly used as a stone of protection, yet it also carries some wonderful healing properties, including pain relief for headaches/migraines and enhanced healing of traumatic injuries. ... Jet is a great ally to all on the spiritual path, due to its perfect combination of protective vibrations.
Metaphysical Properties
It's powerful protection energies are said to ward off evil, negativity, as well as psychic attacks. Jet is considered one of the most powerful absorbers of “negative energy” not just around one but within one as well (such as depression).