Amethyst 1.Amethyst, natural raw material. 2.High quality and best price. 3.Customised. 4.Own factories,20 years experience. Amethyst,semi-precious stone,gemstone. Natural raw materials, and we can do different size slabs or cut-to-size with different thickness. And these products can be composited with other material, that is to say, take other materials as a base. So that it will be more safe ...