Attention has cracks and other defects, see photos !!!! They lie there for many years without any exposure to oxygen, completely submerged. In result of the chemical processes, the sap from the wood and minerals from the water dye the wood a black color. The birthplace of Bog Oak transpires from a few extremely important components: Oak trees growing by the riverside, a certain speed of the river current, and a few definite minerals in the water. Bog Oak is an extremely rare and unique material which color speaks for itself. The light pinkish yelow color represents aging from three to four hundred years, while the black is equivalent to more than a thousand years.