Black Tourmaline B Dragon Egg Stone Ancient Greeks believed that amethyst

Ancient Greeks believed that amethyst prevented the intoxicating effects of alcohol

Dimensions: 5 L x 3

5 million tons of Pinolite were extracted from the Lower Tauern Mountain range

the name originating from the similarity of the texture of the rock to that of the skin of a snake

These pieces are polished into a skull shape

Black Tourmaline B Dragon Egg Stone Ancient Greeks believed that amethystBlack 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.