A fine Longido (Tanzania) ruby cabochon flanked by Longido ruby crystals in a green zoisite matrix. Photo courtesy of Edward Swoboda.
Kilimanjaro in the northern part of Tanzania. It was first thought to be sapphire, but the mineral was later identified as zoisite.
Tanzania Rubies
In Tanzania, ruby deposits are found in regions near Songea. The color of these rubies resembles the garnet so closely that even jewelers are often baffled by their closeness.
Tanzanian sapphire
On the Great North Road in Tanzania, between the plains of the Serengeti and the Indian ocean lies the gateway to the beating heart of Africa and home to the fabled gemstone mines of the Umba Valley.
[Tanzanian sunstone carving,"confetti"sunstone]
Other Species
Occasionally, other gemstones exhibit aventurescence, such as members of the mica group like the lavender colored lepidolite, or rocks containing fuchsite mica.
Tanzania
A country of east-central Africa on the Indian Ocean.
Tanzanite ...
Tanzania is the primary source of tanzanite, though there have been small deposits of the stone found in neighboring Kenya. Tanzanite is actually a form of zoisite, a brownish green crystal found in those areas.
Tanzania is the only place in the world in which Tanzanite is currently found. Tanzanite has a soft electric blue color that is currently highly prized.
Tanzania
Williamson Diamond Mine: (aka Mwadui mine) Open Pit mine. 75% De Beers ownership map
Zimbabwe ...
Tanzania
Notable for recently discovered, exceptional emerald green stones ("Chrome tourmaline"). These make truly exquisite gems, rivaling the finest emeralds in color.
Tanzania
A few localities: the Umba river deposit with its beautiful fancy colors. From 1994 Songea's pastel colored stones became available and from 1995 the Tunduru deposits were worked and brought the world more blues, purples, pinks and greens.
Tanzania has produced some very interesting color "Padparadscha-like" sapphires for many years. Mostly they are a reddish orange with tones of brown and slight hints of pink. When seen, these stones are very appealing, as the color is very unusual.
Ruby, Tanzania
(Photo by ICA/Bart Curren)
Rubies
Rubies of fine quality are truly rare stones and command a price commensurate with their rarity and demand.
Named after Tanzania (the region is the only source)
Color: Colorless, blue, purple
Hardness: 6.5 to 7
Transparency: Transparent
Metaphysical/Medical Properties: The tanzanite offers protection and wellbeing to its owner.
Discovered in Tanzania in the mid-1960s, tanzanite is mined only in the large hilltop area where it was first found. To honor its single-source availability, Tiffany & Co.
Sources -- Tanzania is the only known source. Chrome tanzanite, an intense green variety discovered only a few years ago, is very rare and found only in fairly small crystals. Large, fine tanzanites can be quite costly.
Occurrence
Tanzania, Kenya, Burma (Myanmar), Canada, Brazil, Malagasy Republic, Tasmania.
Occurrence:Tanzania (tanzanite), Kenya (anyolite), Norway (thulite), Switzerland, Austria, India, Pakistan, and the USA.
Zoisite
Physical Properties ...
The politics of Tanzania make for sporadic production. Small amounts of Tunduru rough are still finding their way to market in Nairobi.
Burma, Sri Lanka, Tanzania and some parts of Western Europe are the places where Spinel is found the most. Spinel has become very rare these days.
Aventurine quartz is found in India, Russia, and Tanzania. AventurineAventurine (sometimes known as goldstone and sometimes mis-spelled adventurine) is a shimmering quartz stone that ranges in color from yellow to red to light green to light brown.
Other sources include Thailand, Vietnam, Sri Lanka, Kenya, Tanzania, Cambodia, Afghanistan and India.
August
Peridot
Peridot is the accepted birthstone for August. It is also the accepted anniversary gemstone for the 16th year of marriage.
The name tanzanite comes from where the stone was first found: Tanzania (neighboring Kenya now produces some as well). The gemstone closely resembles, and is often confused with, sapphire and iolite.
Bridges was looking for gemstones in the mountains in the north-east of Tanzania. Suddenly he came across some strange, potato-like nodules of rock.
A Masaai tribesman stumbled upon a shimmering blue crystal in the foothills of Tanzania's Mount Kilimanjaro in 1967. The stone was at first mistaken to be Sapphire but was later identified belonging to the family of mineral Ziosite.
The United States, Nigeria, Kenya, Tanzania, China and Madagascar also produce some sapphires.
(Arizona), South Africa, Argentina, Australia, Brazil, Myanmar (Burma), Scotland, Switzerland and Tanzania .
There have been wide fluctuations in the gem’s supply and pricing due mostly to Tanzania’s volatile political, social and economic conditions.
Interestingly, in the last few months, a certain type of brownish-red (garnet-looking) Tanzanian corundum from Songea, Umba and elsewhere has been heat-treated in Thailand, often resulting in beautiful orange, yellow/orange and other colors.
This precious gemstone is named after its country of origin, Tanzania, Africa, which is the only known source in which this gem can be found.
While zoisite has been known for some time, gem-quality zoisite wasn't found until 1967, when a deposit was uncovered in Tanzania. This is still the only source for tanzanite, one of the most recent additions to the gem world.
Malaya, a mixed variety found in Tanzania and Kenya, ranges from orange to gold. Tsavorite is bright yellow green to grass green and is also mined in Tanzania and Kenya. Demantoid is primarily found in Russia.
Tanzanite: A variety of zoisite named after its country of origin, Tanzania, where it was first discovered in 1967 and is still the only place where it can be found.
Tanzanite - First found in Tanzania East Africa and named for that country by Tiffany & Co.. Mineralogists refer to it as blue zoisite. 61/2 -7 on the Hardness scale.
Tanzanite was discovered only as recently as 1967 by Masai tribesmen tending to their cattle in the Merlani Hills of Tanzania.
I was born in the mineral rich soil of Eastern Africa and officially discovered in Tanzania in 1967.
Found in South Africa, Argentina, Australia, Brazil, Myanmar, Scotland, Switzerland, Tanzania, and the USA (Arizona).Healing PROPERTIES: Keeps wife, mother and family safe. The color red represents profound love. Provides abundance.
Tanzanite was named after the East - African state of Tanzania. Although, it's scientific name is blue zoisite. This stone has a watery edge effect called trichroic. It exhibits different colors when viewed from different directions.
Emerald is also found in Zimbabwe, Tanzania, Madagascar, South Africa, Australia, Russia and the United States (North Carolina). In fact, it has a rich history dating back 4,000 years to ancient Egypt.
Mined in Tanzania at the feet of the majestic Mount Kilimanjaro, Tanzanite is found only in a five square mile area in the hills of Merelani, ten miles south of the Kilimanjaro International Airport, between Moshi and Arusha.
It was iscovered in the Merelani district of Tanzania, near Mount Kilimanjaro in 1967 and was renamed by the renowned jewelry store Tiffany & Co. All purple and blue varieties of the stone are the result of heat treatment.
Tanzanite was first discovered in 1967 in Tanzania, East Africa. As one of the newest and most exotically colored gemstones, Tanzanite is part of the Zoisite Mineral species and is only found in East Africa.
Discovered in its namesake country of Tanzania in 1967, tanzanite has very quickly become a popular option in fine gemstone jewelry in its own right.
This rare, exotic gem was first discovered by Portuguese prospector Manuel d'Souza in the Merelani Hills of Tanzania in 1967, in the shadow of majestic Mount Kilimanjaro. This breathtaking location is the only known mining site on earth for tanzanite.
NC. CA., TN., CO., USA / Tanzania / Italy / USSR /Austria / Switzerland
Misc:
named for Baron S. Zois van Edeltein (1747-1819), thulite named for Thule and ancient name for Norway, Tanzanite for the local Tanzania ...
Origin & Mining - First unearthed in Tanzania and Kenya. Deposits are usually small and very unpredictable.
Tanzanite is a blue variety of the gemstone zoisite discovered in 1967 at Merelani Hills in Tanzania. It is named after the East African state of Tanzania, the only place in the world where it has been found.
It is named for the country in which it is mined, Tanzania. The mineral was named for a mineral collector whose name was Zois. It was discovered in the Alps in 1805 and originally called saualpite, but not considered gem worthy at the time.
Tanzanite is found only in Merelani Hills near Arusha in the north of Tanzania, a rift valley 25 miles from the base of Kilimanjaro, the Massai tribal land in Tanzania.
Crystal to gemstone ...
Tanzanite is rare and has only been discovered in Tanzania. Ranging from violet to lilac in hue, it is the second most valuable blue gemstone after sapphire. In order to bring out the full beauty of its blueness, tanzanite is often heat-treated.
Blue to purple in colour and was discovered in Tanzania in 1967. Strong trichoism (showing 3 different shades of colour). Originally known as ‘blue zoisite', it was renamed by Tiffany and Co during a campaign. Measures 6.5.
Tigers Eye ...
Cat’s eye is found in India, Sri Lanka, Tanzania, Brazil, China, Russia and Burma.
Cat's Eye Magical Healing Properties of the Gemstone Cat's Eye
keyword:
long life and protection against evil ...
Tanzanite is to be found in only one place in the world, the country after which it was named: Tanzania. Since its discovery in the 1960s, Tanzanite's popularity has soared, helped, no doubt by the jewellers, Tiffany and Co who championed it.
This transparent blue gem first turned up in 1962, scattered on the Earth's surface in northern Tanzania, in eastern Africa. Scientists identified it as a variety of the mineral zoisite.
Tanzanite
A fairly new gemstone discovered in Tanzania in 1967. Tanzanite is known for its bluish-purple hues and is December's newest birthstone as well as the traditional gift for the 24th wedding anniversary.
Tanzanite - A deep blue-violet variety of zoisite, only mined in Tanzania
Tarnish - A dulled finish
Tassel - An ornamental bundle of threads bound at one end and loosely hung ...
Aventurine Quartz: A type of quartz found in India, Russia, and Tanzania that contains sparkling flecks of mica or iron.
Awabi Pearl: The Japanese name for Pearls found in abalone mollusks.
Tanzanite: Tanzanite was first introduced in 1969 and is found only in a relative small, approximately, five square mile area near the Kilimanjaro Airport in Tanzania. Tanzanite comes in various shades of violet-blue.
One of the most sought after varieties of gem garnet is the fine green grossular garnet from Kenya and Tanzania called tsavorite. This garnet was discovered in the 1960s in the Tsavo area of Kenya, from which the gem takes its name.
A mineral called blue zoisite that ranges from pale blue to reddish-brown. It is named after Tanzania, the country where it is mined.
Tiffany setting
A solitaire (single-stone) setting for a faceted stone consisting of six long, slender prongs.
 See also: Stone, Color, Gemstone, Jewel, Crystal
  
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