![]() ![]() Blue garnet, the rarest of all garnets, itself turns purple under an incandescent light. The purple crystals come from the varieties of garnet called pyrope and spessartine. While most popular in red, garnet also occurs as purple stones. Source: WesternDevil via Wikimedia Commons Purple Garnet Formerly mistaken to have been a variety of spinel, the purple stone was identified to be a different mineral by Richard Taaffe, after whom the gemstone was named. Taaffeite is one of the rarest gemstones in the world, and is accordingly among the most valuable of purple gemstones at around $6,000 a carat. Source: Rob Lavinsky, – CC-BY-SA-3.0 Taaffeiteīeside red, taaffeite is the first and only mineral that was discovered after the stone was cut and faceted. Alexandrite is a traditional birthstone for June. A rare mineral, the color-changing gemstone is the most valuable of purple gemstones next to diamond with prices of up to $45,000 per carat. Beside red or pink, alexandrite can also turn into a purple stone at night under an incandescent light, while appearing green at daytime. Source: The Hope Diamond via Wikimedia Commons An alexandrite crystal at night AlexandriteĪlexandrite is a color-changing gemstone from the mineral chrysoberyl. ![]() In astrology, diamond is the birthstone of the Aries zodiac sign. Diamond in general is the birthstone for April. ![]() Like the rest of their kind, these violet and purple rocks are the hardest of minerals, and display extraordinary brilliance owing to their high refractive index, making them the most expensive of purple gemstones, with prices of up to $1.5M a carat. While most popular for its white variety, diamond also occurs as violet and purple jewels, which are among the rarest of diamonds. Gold ring with amethyst, the popular gemstone representing the color purple Purple Diamond ![]()
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