What is more expensive: sapphire or tanzanite?
Tanzanites are truly unique gemstones that are mined from the only deposit in the world. The deposit is located in the highlands of northern Tanzania. Scientists have found that tanzanites were formed in completely unique conditions, practically excluding the possibility of the formation of similar stones in other parts of the Earth. Tanzanites are considered to be quite rare stones, occurring 1000 times less frequently than diamonds. This information formed the basis of the slogan under which tanzanites were promoted and distributed on the jewelry market. The first specimens of tanzanites were discovered in 1967 by a Maasai shepherd who was tending his flock near Mount Kilimanjaro. Initially, the discovered violet-red stones were mistakenly considered sapphires with an unusual color. When performing laboratory studies, experts came to the conclusion that the crystals found were a new unique type of mineral called zoisite. The discovery of tanzanites was assessed as the gemological discovery of the century. Information about the discovery of a new type of jewelry minerals instantly reached Henry Platt, who was the president of the jewelry manufacturer Tiffany & Co. It was this person who came up with the idea to name the found stones in honor of their country of origin. In 1968, the official presentation of tanzanites took place. Henry Platt’s speech said that the minerals found were the most beautiful blue gems discovered in the last 2 millennia. A powerful advertising campaign soon followed, and the whole world learned about tanzanite. By the late 90s, it had become one of the best-selling and fastest-growing colored gemstones in the world. In 2002, the American Gem Trade Association (AGTA) officially recognized tanzanite as the birthstone for all newborns in December, and subsequently as a symbol of the beginning of a new life. The most common and already traditional color for tanzanites is the blue-violet color scheme. This color of tanzanite appears after low-temperature (450-600 degrees) processing, and this method of refining is considered generally accepted by the gemological community around the world. Before heating, tanzanites (the mineral zoisite) usually have brown tints, which disappear as a result of heat treatment. But there are also rarer colors of untreated (unheated) tanzanite: green, orange, yellow, pink. Tanzanites are characterized by pronounced pleochroism – a change in the color of the stone depending on the change in viewing direction. This distinctive feature makes the playing of tanzanite the most attractive and memorable. By rotating the stone, you can observe a change in the color palette with the consistent appearance of bright blue, lilac, and violet shades. Tanzanites, which have a rich blue color, are an order of magnitude more expensive than purple stones. In the modern jewelry market, it is not difficult to find tanzanites of rich blue-violet tonality and good clarity with a weight exceeding 8-10 carats. The steadily growing demand for tanzanites determines the significant price of stones, exceeding several hundred dollars per 1 carat. The area of ​​the world’s only tanzanite deposit is very small. Experts from the stone mining company TanzaniteOne predict the complete depletion of reserves in 15-20 years. Already, there is a constant decline in production and a parallel increase in the cost of stones. The emergence of more and more new collections of jewelry with tanzanites from the famous brands Tiffany & Co, Dior, Van Cleef & Arpels, Louis Vuitton is helping to increase the popularity of these beautiful stones. Designer models with tanzanites over 5 carats make a lasting impression. Color tints and the brightest shine look especially amazing on large stones. Your style will be enhanced by a classic pendant with an elongated chain that mysteriously plunges into the depths of the neckline, or a shortened chain that gracefully fits a fragile neck. Buying a jewelry set made from a bracelet with calibrated tanzanites and earrings with stones of the same color will be an original solution for everyday wear. Jewelry decorated with tanzanites will ideally highlight an elegant feminine look in combination with a luxurious outfit. Different models of earrings with tanzanites in a variety of colors from sapphire blue to soft lavender tones will suit blondes, brunettes and red-haired fashionistas. The main thing is to combine clothes and jewelry correctly. Successful solutions include an outfit made from a catchy one-color dress, complemented with earrings with tanzanites. Maintain your unique personality in the era of mass brands. Create your own style using clothes in a bright, rich palette and equally bright jewelry. 
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- Sapphire – Tanzanite Differences
What is the difference between sapphire and tanzanite?
Among the most popular gemstones on the market, sapphire and tanzanite couldn’t be more different. Sapphire is corundum with a hardness of 9 points. Mohs scale. It is found in blue, as well as yellow, pink, purple, orange, black, colorless and green. Most sapphires are heat treated, but unheated examples can also be found. Tanzanite, on the other hand, is a form of zoisite with a Mohs hardness of 6,5 to 7. Tanzanite colors include purple and blue. Most gemstones are a medium to deep violet-blue in color. Tanzanite is often enhanced by heat treatment to eliminate brownish-yellow tones.
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Tanzanite Information – An African Miracle Rising from the Ashes
Explanation of gemstone hardness
Gemstone Hardness | Mohs scale with pictures and diagrams.
List of types of jewelry stones
Catalog of stones: list of precious and semi-precious types of stones.
Tanzanite prices are a limited supply of this stunning stone.
What is natural sapphire?
What is natural sapphire?
March 2008 Newsletter: Tanzanian Zircon
Number of zircon gemstones of Tanzanian origin per.
Tanzanite Discovery – Who Really Found This Treasure?
Trade names of gemstones
Trade names of gemstones
Kashmir sapphires are the blue velvet princes of the Himalayas
January 2009 Newsletter: Unheated Sapphire
Rough gemstones, popular uncut nature.
Pailin Blue Sapphire
Pailin Blue Sapphire – Controversy rages around these gemstones
February 2011 Newsletter: Tsavorite Garnet from Tanzania.
Tsavorite: Green Garnet Gemstones, Blue Star Sapphire.
Blue Gems – Complete List of Blue Gems | GemSelect
Rough gemstones for jewelry
Rough gemstones for jewelry
Golden Triangle Sapphires
Sapphires from the Golden Triangle
