This is a carved Petrified Wood sphere statue (a hematite stand).

Size of sphere is roughly 2in tall by 2in wide
(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.
 
Petrified Wood: Is a very calming stone that wards off stress and anxiety while helping steady and calm the mind. It helps bring one back to center in a very grounding way. Petrified Wood is a well-known protection stone used to ward off any negativity in the environment or brought on by others.