JACINTH

A red-orange zircon which protects one from fascination when worn as an amulet around the neck. Deep yellow jacinth is taken in a potion to drive away melancholy and given to someone else to win his affection. As an amulet, it makes the bearer friendly, cheerful, alert, and successful in business and in gaining money. The jacinth changes color according to the weather. The stone is ruled by the sun.

JADE

Green mineral used in stones that are worn in China and in amulets for long life, good health, and to prevent misfortune. For a long life, eat from a jade bowl. Powdered jade is taken in potions against asthma and diseases of the digestion.

JASMINE

A shrub of the genus Jasminum with sweet-smelling flowers that are an excellent ingredient in love potions.

JASPER

An opaque quartz, usually green, worn as an amulet against dysentery, nightmares, and hallucinations.

JERUSASLEM OAK

(or Epazote)-take it in tea against asthma, coughing, or hoarseness.

JET

A deep black stone of coal, agate, or marble. Jet is fumigated to drive away hallucinations. In Ireland, it is said to have eight virtues: "When the thunder crashes, it will not harm man who carries this stone with him...in whatsoever house it may be, no demon can stay therein...no poison can injure the person who carrier this stone with him...if the person who is afflicted with any disease take the stone in liquid, he will soon be well...sorcery will not injure the man who carries it with him...he who takes the stone in a potion will have so much the smoother body...no bite of any kind of snake can injure him who takes this stone in liquid."

JIMSON WEED

Narcotic plant of the genus Datura, the seeds and roots of which have been used by American Indians in medicine and ceremony. The Aztecs considered the plant sacred and a protection against evil spirits.