Black Tourmaline B Dragon Egg Stone Mahogany Obsidian is characterized by

Mahogany Obsidian is characterized by its reddish-brown hues attributed to iron and hematite inclusions during its formation

unlike any other stone

which resembles droplets of blood on a dragon

These pieces are polished into a skull shape

Black Tourmaline B Dragon Egg Stone Mahogany Obsidian is characterized byBlack Tourmaline, scientifically known as Schorl, can originate from the crystallization of molten rock deep within Earth's crust. It has a hardness of 7 7. 5 on Mohs scale with a trigonal crystal structure. The black color is often due to the presence of iron impurities within the crystal structure. This particular specimen is from Namibia, South Africa. Measuring 1 inch in height, 1. 4 inches in length, and 1 inch in width. Weighing 1. 8 ounces.