This is a carved Labradorite Skull statue.

Size of statues is roughly 3.75in tall by 3in wide with a depth of about 5in from the front of the skull to the back.
(US Imperial Ruler in pictures for scale)

Each stone and crystal has metaphysical properties that can help aid in specific situations, help boost certain body functions/body parts, and can even offer different insight into the seen and unseen world around us.

Labradorite: It is a Stone of Magic, a crystal of shamans, diviners, healers, and all who travel and embrace the universe seeking knowledge and guidance. For self-discovery, it is excellent for awakening one's own awareness of inner spirit, intuition and psychic abilities. Labradorite is also the most powerful protector of the mineral kingdom