Obsidian: Translucent Black
Properties: Protection, Grounding, Divination, Peace, Shielding,
Aids in Transitions, Sharpens Vision and Emotional Security.
Olivine: Green Crystal
Properties: Money, Protection, Love and Luck.
Onyx: Usually Black
Properties: Protection, Defensive Magick, Reducing Sexual Desires,
Bringing things to the surface in relationships, Retains Physical body
strength and Receives and holds vibrations both good and bad.