Rosary of Sodalite crystal beads interspersed with lava rock. Decade dividing beads are carved Tibetan Yak bone skulls. Central bead is the same, but larger. Cross is clear resin containing Yew, Asafoetida, and a chip of Onyx. Links are steel. Sodalite is thought to encourage the ability to arrive at logical conclusions through rational mental process, eliminate confusion, equalize and stimulate the intellect. Encourages self-trust. Lava rock is porous and is excellent for anointing with essential oils or other liquids.