Blue Onyx TowerCrystal Meanings: a powerful protection stone, absorbing and transforming negative energy. It fosters emotional and physical strength and stamina during times of stress and confusion and encourages wise decision making. It is a strength giving stone and can be useful in healing old wounds or past life issues, as well as for meditation and dreaming. Chakra Root Zodiac Leo, Capricorn Element Earth Additional Photo includes sizing reference for items.