This month's birthstone

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Learn about Gemstones Amethyst Color: violet, purple-violet Hardness: 7 Refractive Index: 1.54 – 1.55 Density: 2.65 – 2.66 Chemical Composition: SiO2 Crystal Structure: hexagonal Origins: Brazil, Uruguay, Bolivia, Argentina, USA, East Africa, Zambia, Namibia, Madagascar, India, Sri Lanka, Russia, Australia. Back

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