Appearance: Striated, bladed crystal.
Colour: blue-white, black.
Properties: Calming, tranquilising. Excellent for attunement and meditation. Aids self-expression, communication. Connects to guides. Dispels blockages, illusion, anger. Never requires cleaning. Balances yin-yang. Treats muscular disorders, fevers, urogenital system, thyroid.
Blue: strengthens voice.
Black: grounds body when aligning chakras during/after meditation.
Position: As appropriate, particularly between navel and heart. Bag small pieces. Approx 50grams. Photo and weight is a guide.
Disclosure- If you're worried about your health always see your doctor first. There are no guarantees with crystals, but they may enhance your life.