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Tsavorite

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Tsavorite Garnet
Tsavorite, or transparent, green grossular garnet, was discovered in Kenya in the 1960's and given its trade name by Tiffany marketers based on the proximity of Tsavo National Park to the mine sites.



, also known by its European name "tsavolite," is an extremely rare variety of grossularite, that was first discovered near Komolo, in the Merelani Hills, approximately 50km southeast of Arusha, Tanzania.

Tsavorite Garnet
The shining green tsavorite is a young gemstone with a very long geological history. Its home is the East-African bushland along the border between Kenya and Tanzania.

garnet
Gemology
Myths
Sources
Choosing tips
Where to buy
garnet is a rare gemstone. Most pieces are below two carats and pieces over three carats demand high prices.

Tsavorite by Peter Bancroft
Lualenyi Mine, Voi, Kenya
Editor's Note: We are pleased to reprint this selection from Peter Bancroft's classic book, Gem and Crystal Treasures (1984) Western Enterprises/Mineralogical Record, Fallbrook, CA, 488 pp.


Overview: is the name given to the rich green variety of grossular garnet. is probably the King of Green Gemstones.The gem was first discovered in Tanzania in 1967 by Campbell Bridges.

Tsavorite Garnet
Calibrated Tsavorite Garnet
Specify size, shape and quality when ordering. Prices are subject to change without notice. Actual carat weight may vary from the average carat weight listed.

is another of the world's rarest gems with only one source yet discovered - here in East Africa. Gemologically it is superior to Emerald on all counts, being harder, brighter and a more pure green.

Tsavorite is considered as a component of the grossularite kind of garnet.
The term of this splendid, glowing green stone was originated from the Tsavo National Park found in Kenya where it was first discovered, during the early 1970’s.


is a rare, deep green variety of grossular garnet, a type of garnet, calcium-aluminum silicate. The emerald green color comes from vanadium and chromium.

Tsavorite information
Natural Gold Nugget Photos: Big Nuggets, Crystal Gold
Turquoise information ...


is a rare and beautiful newcomer to the gemstone world. It is a green variety of grossular garnet. Compared to an emerald, is harder, more durable, more brilliant when faceted, and much rarer.

Tsavorite: Green garnet, more durable and vibrant than emerald, yet less costly. Also appears as rarer demantoid garnet which is slightly softer with more brilliance. Composition: calcium aluminum silicate; hardness: 7.

: A Transparent green garnet of the grossular family of garnets found at Tsavo, Kenya. is not the only green garnet, see also Uvarovite.

Tsavorite
Similar to an emerald in terms of appearance and durability, this stone is a green garnet with a striking brilliance and a resilient hardness.


A transparent, emerald green variety of garnet.
turquoise ...

Tsavorite is a rare, deep green variety of grossular garnet discovered in 1967. It is one of the newest of the precious gemstones. The emerald green color comes from vanadium and chromium.

Garnet
avorite is a gemstone within the Garnet family. It exhibits a green to emerald green color.
On Mohs' scale of hardness, is 7-7.5. It has a vitreous luster and sources
include Kenya and Tanzania.

Tsavorite
Green variety of garnet . Names after Tsavo National Park. 7-7.5
Turquoise ...

(pronounced with a silent T) is a vivid forest green Garnet gemstone unlike any green gemstone you have seen. is mined in the same areas of Tanzania in which Tanzanite, another rare gemstone, is found.

Tsavorite is typically found in agglomerations known as "potatoes," such as the example shown here.
Uvarovite ...


A transparent, emerald green variety of garnet.
Turquoise
Semi-precious stone which is greenish-blue in color.

Tsavorite
Belongs to the garnet family. Its refractive index is high. Available in colors of light green, intense blue-green and deep forest green.
Tungsten ...


A vibrant green type of grossularite; which is a form of garnet. The gemstone was discovered in 1975 in Kenya.
Tungsten ...

(Tsavorite Garnet. Photo by ICA/Bart Curren)
The most expensive and popular of the grossular garnets is tsavorite which was named after Tsavo National Park on the border of Kenya and Tanzania, where it is mined.

Like , top chrome greens are rich, bright, and clean green. It is very difficult for novices or experts to tell the difference between fine chromes and s. Some fine chromes tend to possess a greenish/yellow cast.

Green: Tsavorite - Yellow, Brown and Orange: Hessonite
Crystal Structure
Cubic ...

...grossular...see garnet
Colors: green
Occurrence: Kenya
Crystal or stone size: over 1 ct. rare
Comments: collector gem being found more and more in the trade.
Tungstite... tungsten oxide + water... WO3.H2O ...

While the ruby and tsavorite deposits of Kenya are well known, sapphires are a relatively new and unexplored resource.

aka Demantoid, Grossularite,
The best known variety of green garnet is grossularite, which naturally occurs in green, yellow and brown. In the 20th century, a large amount of grossularite was found in Mali.

And any overview of garnets would not be complete without praise for the two beautiful green garnets, demantoid and tsavorite. Both are rare and brilliant.

The six most common species of Garnet are Pyrope, Almadine, Spessartite, Grossular, Hessonite, , Uvarovite and Andradite.

Several gem species and varieties discussed in Part II of this book are fairly recent discoveries: tsavorite garnet, tanzanite, and malaya garnet were completely unknown just fifty years ago.

Hessonite is the variety name for a fine orange, cinnamon brown, or pinkish variety of grossularite, while is the trade name for fine dark green grossularite.

But tsavorite and demantoid are quite rare and can cost several thousand dollars per carat depending on size and quality. Bright colors usually command higher prices than gems with light or dark hues.

is the name given to dark green grossularite. Uvarovite and demantoid are also green varieties. Pyrope garnets are purplish red, orangy red, crimson, or dark red.

It is also paired with other gemstones like sapphires, diamonds and Tsavorite. It can be set into prong or bezel or bead setting. Buyer should ensure that the setting is done well while buying this beautiful asset.

Grossular: The most colorful garnet type, occurring in yellow, brown, orange and a gorgeous, vivid green variety called , which rivals demantoid in beauty and value.

Some Other Varieties are Andradite, Essonite, Tsavorite, Spessartite, Melanite, Allochroite, Ouvarovite and Demantoid. This stone has a long history of use as a medicine stone and was used for healing blood and lung diseases.
Iolite ...

These include gemstones like tanzanite, imperial topaz, aquamarine, and tourmaline. These gemstones are usually available in standardized sizes but one should look for fine larger single stone to be able to experience the lustrous color.

See also: See also: Stone, Color, Emerald, Garnet, Gemstone

Jewelry  Troy weight  Tsavorite garnet

 
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