You are looking at a Chiastolite skull. The skull is 0.9 inches from front to back.

This powerful crystal balances one's perspective in both creativity and practicality. It is used as a sign of devotion towards awareness and dispels negativity. It signifies both death and re-birth and helps one to understand the realization of immortality. It is used as a bridge for "crossing over". It helps one to assimilate during times of change. It provides insight to answers when problem solving. This stone has a reputation for astral journeys and is used as a gateway into the mysterious. This stone allows for the overcoming of fear, the facing of reality and overcoming of the unknown. Chiastolite is used to attune to our soul's purpose. Since it is associated with the Root Chakra, it encourages ones survival instincts and is grounding and protecting. This stone is said to embrace the emotions and assist in spiritual journeys. This stone is famous for assisting in our financial lives by encouraging moderation, simplifying our debt, helping us to stay focused on our fiscal worth and helps us to see the bigger financial picture in order to stay the course in tough times as well as manage appropriately.