Energy: This crystal promotes spiritual and psychic development. It is a great stone to calm, relieve anxiety and stress. It can help get rid of mental blocks and similar mental issues.
Physical: It protects both in the physical and in the Astral realm. Hold it while meditating and learn to get past the "chatter" that our minds tend to generate when first learning how to meditate.
Zodiac: Libra, Capricorn, Leo
Size, shape and weight vary per stone.