Projective. Element: Fire. Silver-gray metallic. (High iron, mercury) One of the most grounding of all stones (root chakra). Condenses scatteredness, fuzziness into mental clarity, concentration, memory, practicality, helps study, bookkeeping, detail work, sound sleep. Confidence, will power, boldness. Egyptians used also to calm hysteria and anxiety. Yang. Helps us adjust to being physical. Spleen, blood, cleanse. Can deflect.
Regroups after jet lag, stress, birth, anesthesia. The mind stone, unlocks blockages, both cools and draws heat, banishes negativity, aids in concentration. Reinforces immune system, muscular aches and pains, blood disorders, leg cramps and fractures. Grounding & centering, focus, self discipline. Good for scrying. Draws illness out of body.