You are looking at a coral fossil skull.

Calcium and calcite. Coral brings diplomacy and concurrence, quiets emotions, brings peace to innerself. Facilitates intuition, imagination, visualization, expedite, accelerate the transfer of knowledge. Strengthens both circulatory and bone structure in the body. Stimulates tissue regeneration and nourish blood cells. Helps with disorders of the spinal, alimentary canals, nervous system and thalamus. Different colors of Coral can be used alone, in combination, or all together. Sympathetic to both the skeletal structure and the circulatory system. Good stone for ailments of the bones and blood such as arthritis and anemia. Also benefits the cleansing organs and thymus. Helps battle mental illnesses. Has a true link with the past and can pass knowledge along.