Amethyst is a violet variety of quartz. The name comes from the Koine Greek (Ancient Greek) methysko / metho (Modern Greek), "intoxicate", a reference to the belief that the stone protected its owner from drunkenness. Amethyst is the most famous purple gemstone in the world. It has been used in personal adornment of the new era. Amethyst is said to open a person's third eye. The third eye is a source of strength and wisdom. Additionaly, they claim that amethyst helps block electromagnetic frequencies and " Geopathic Stress" that can reinforce negativity and is the traditional birthstone for February. Stone: Amethyst Shape: Teardrop Weight: 1.40 Carat Size (mm) : 5 x 6 x 9 Color: Plae Violet Hardness: 7