Amethyst is the purple variety of quartz, one of the most popular and collectible gemstone minerals worldwide. This trigonal silicon dioxide variety exhibits coloration ranging from pale lavender to deep royal purple, caused by iron impurities and natural irradiation. Amethyst specimens are sought after for display quality, crystal perfection, and the striking appearance that has made it a favored gemstone and collector mineral for centuries.Major amethyst sources include Brazil, Uruguay, Madagascar, Zambia, and the United States. Brazilian deposits, particularly in Rio Grande do Sul, produce world-famous specimens with exceptional purple coloration and substantial size. Uruguayan geodes yield dramatic displays of large crystals with deep color saturation. Zambian material offers distinctive hues, while Vera Cruz, Mexico produces distinctive lilac-colored specimens.Discover our amethyst collection featuring specimens with vibrant purple coloration and superior crystal development from prime worldwide sources. Our selection includes polished geodes, crystal clusters, and individual specimens. Browse amethyst samples and add these purple quartz varieties to your display collection.