![]() Most black opals are only found in the mines in the Lightning Ridge area in New South Wales, Australia. While opals, on the whole, are not rare, black opals are another story. It’s a favorite among mineral collectors because who wouldn’t want to have one of the world’s rarest gemstones in their collection? Black Opal – not really black Black opal necklace by Admirable Jewels. This gem is typically found in small sizes, making them a good choice for delicate jewelry. That, together with its sapphire-like blue colors, makes benitoite an extremely valued and expensive gemstone.Īlthough benitoite is much rarer than diamonds, prices are relatively reasonable, if you can find them. In addition to its rarity, benitoite also exhibits amazing fire (light dispersion), that’s much more captivating than even the fire of most diamonds. See it here.Īn extremely rare blue gemstone, gem-quality benitoite is only found in San Benito, California, even though small quantities of it can be found elsewhere. Benitoite – excellent fire dispersion Benitoite necklace by Abijouxparis. It’s that unique property that makes it so highly valued in addition to its rarity – the more colors an Ammolite stone displays, the more expensive it is. You can see multiple incandescent colors on a single stone, sometimes every single color of the rainbow. It consists of aragonite shells of 65-million-year-old marine mollusks, the same material that creates pearls.Īmmolite is similar to coral or shell in that it originates from sea creatures but it’s different in that it’s fossilized shells that need to be dug up. See it here.Īmmolite is an organic gemstone that’s only found in rather limited deposits in the Rocky Mountains in the U.S. Ammolite – the opal-like organic stone Ammolite ring by RedPaw. Read our article on this fascinating gemstone. Look out for imitations as they have flooded the market. High-quality alexandrite can fetch over $30,000 per carat. Good quality alexandrite is rarer than colorless diamonds and can be costlier than popular stones like emeralds, sapphires, and rubies. It’s rare because of its unique makeup – titanium, chromium, and iron. The stone exhibits a greenish-blue in natural sunlight to reddish-purple in soft incandescent light.Īlexandrite is a member of the emerald gemstone family and a variation of Chrysoberyl. Called the alexandrite effect, the gemstone can change color depending on the light source that shines upon it. See it here.į.irst on our list is one gemstone that’s not only incredibly rare but also exceedingly fascinating because of its color-changing properties. Alexandrite – the color-changing gemstone Alexandrite necklace by Geo Minimalist. Compare that to the roughly 133 million carats of diamonds mined each year and you get a whole new appreciation for this rare gemstone. Since then, Myanmar has opened up a couple of mines for Painite and the overall number of these stones today is closer to 1,000, however, that’s still an impressively small number. While we wouldn’t go as far as to confirm this, the rarity of Painite is quite clear – as of 2004 only twenty-four of these gemstones had been discovered. After all, at the time, only two specimens of this gemstone were known to exist. Painite – made it into the Guinness Bookĭiscovered in 1951 in Burma, Painite was dubbed by the Guinness Book of World Records as the “World’s Rarest Mineral”. As of 2005, the Gemological Institute of America recognized only eight specimens of Musgravite stones that were large and pure enough to be cut to shape – eight stones in the whole world. Since then, Musgravite has also been found in Antarctica, Madagascar, and Greenland, but still in insignificant quantities. Musgravite was entirely unknown to us until 1967 when the Musgravite Range in South Australia yielded several of these beautiful dark-blue gemstones. Depending on who you ask some are rarer than others or the other way around, so we’ve listed them in alphabetical order. If you’re curious about some of these rare gemstones, below we’ve compiled a list of 15 of the rarest gemstones on the planet. Some are rare because they’re simply found in one or two places in the world, others – because they are unreasonably difficult to mine. A lot of them are sold and used in jewelry but at such impossible prices and in so small quantities that they are beyond the reach of the average customer. However, there are also those gemstones that are indeed so incredibly rare that most people haven’t even heard about them.
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