Stone, Machinery, Glass 2, Gemstone
Color:Purple
Stone, Machinery, Glass 2, Gemstone
Amethyst ingredient is silica.hardness 7,the proportion of 2.65,the refractive index of 1.54-1.55,with dichroic.From different angles, you can see the?blue or red, purple tones,usually made ofhybrid or stepped facets.Amethyst usually have natural ice cracks or white clouds impurities. Amethyst gemstone values areproduced with the volcanic rocks, pegmatites, or limestone, shale crystal cave. Amethyst widespread in the natural world (origin: South Africa, Madagascar)