Stones: Moonstones and Selenite (literally "moon rock")
Favored people: She is the matron of magicians, sorcerers, witches, and moon-gazers.
Selene is an ancient goddess of the moon. Comparatively little information regarding Selene's veneration and rituals survives although she is described as "great in magic" and was apparently invoked in magic spells. Her parents are Titans, Hyperion and Theia. Helios, the sun, is her brother. Many of her functions were later transferred to Artemis as Helios' were to Apollo.
Selene bathes in the ocean before riding up to the sky in her chariot every night, variously driven by a pair of white horses, bulls, or mules. She pulls the full moon across the sky. Alternatively she rides a horse sidesaddle. Sometimes Selene has to hide from a dragon, indicated by a lunar eclipse or absent moon. Or perhaps Selene is just making time with that dragon. Selene is an amorous goddess with many lovers including Pan and Zeus, with whom she had numerous children.
Her most famous love affair is with the young shepherd Endymion, the male sleeping beauty. Selene placed him under an eternal sleep spell so that his entire existence consisted of sleeping and making love to her. Selene spends her days in the Anatolian cave in which Endymion sleeps.
Selene's name is etymologically related to a word meaning "light." In her guise as the full moon, Selene sheds light on problems and mysteries.
Manifestation: Selene is the goddess of the moon, but she also is the moon. Selene may manifest as a woman or a cow, but you can also gaze at the moon and see her. As a woman, she is described as being very beautiful. She has wings and wears a diadem.
From: Encyclopedia of Spirits