
	Where results make sense

Topic: Tanzanite

Related Topics

List of minerals (complete)

Zoisite

Sapphire

Gemstone

Diamond

Epidote

Citrine

Infinity Gems

Ammolite

Sapphirine

Turquoise

Iksar

Alexandrite

Mirabilite

Ruby

In the News (Tue 15 Dec 09)

Northern Trust

Marvin Harrison

Peter Chernin

Gary Locke

Match Play

Penelope Cruz

Mickey Rourke

AR Rahman

Danny Boyle

Hugh Jackman

	Tanzanite - Wikipedia, the free encyclopedia
		Tanzanite is noted for its remarkably strong trichroism, appearing alternately sapphire blue, violet, and sage-green depending on crystal orientation.
		Maasai tribesmen discovered Tanzanite in 1967, supposedly after lightning struck and caused a bush fire which heated the raw brown zoisite into the vivid blue-purple.
		The name tanzanite was a trade name coined by Tiffany and Co. shortly after the gem's discovery, an obvious allusion to its country of origin.
	en.wikipedia.org /wiki/Tanzanite (533 words)

	Tanzanite
		Tanzanite is a gemstone that is relatively new to the scene and has gained very significant popularity and acclaim as a gem.
		Tanzanite is composed of the mineral called zoisite which is calcium-aluminum silicate.
		When selecting a tanzanite for inclusion in a piece of jewelry, bear in mind that it is relatively soft as well as being fragile, making it about as easy to injure as an emerald.
	artwork-inform.com /gtanznit.htm (369 words)

	Tanzanite (Site not responding. Last check: 2007-10-22)
		An example for this is Tanzanite, which was enthusiastically celebrated after its discovery in 1967 as "Gemstone of the 20th Century” The gemstone experts literally held their breaths when they were shown the first deep blue crystals mined in the Merelani Hi lls near Arusha in the north of Tanzania.
		Typical for Tanzanite is the appearance of several colours in one and the same stone: depending on the perspective, the stone appears blue, purple, or dun yellow.
		Working with Tanzanites is a task which will cause even experienced cutters to tread carefully, as the cleavage of the gemstone is very high in one direction.
	www.gemstone.org /gem-by-gem/english/tanzanite.html (892 words)

	Tanzanite (Site not responding. Last check: 2007-10-22)
		Tanzanite is sometimes used as an alternate for the traditional December birthstones turquoise and zircon.
		Tanzanite is mined in only one location in the world, the Merelani Hills of Tanzania, in eastern Africa.
		Tanzanite is a relatively hard gemstone, but it is not equally durable.
	www.lapeergold.com /tanzanite.htm (285 words)

	TANZANITE, the gemstone variety of zoisite
		Tanzanite is relatively new on the gemstone market, but has left its mark.
		Pleochroism is very pronounced in tanzanite and is seen as three different color shades in the same stone.
		Nearly all tanzanite has been heat treated to generate the beautiful violet-blue color this stone is known for.
	mineral.galleries.com /minerals/gemstone/tanzanit/tanzanit.htm (348 words)

	Tanzanite Jewelry
		Tanzanite was named after its country of origin by Henry Platt, vice president of Tiffany and Co. in New York, one of the world's most influential jewelers who began an aggressive marketing campaign to introduce tanzanite to the public in the 1980s.
		The tanzanite weighs.35ct and is accented by round and baguette diamonds having a total weight of.25ct with H color and I1 clarity.
		The tanzanite is a trilliant cut weighing 5.97cts and the round diamond accents weigh.48ct with G color and SI1 clarity, the baguette accents weigh.31cts with F color and VS clarity.
	www.moregems.com /TanzaniteJewelry.htm (711 words)

	Tanzanite
		Tanzanite, discovered in East Africa in the 1960s transformed the jewelry world: new varieties, new colors, and new variations on existing gemstone species made that decade the most exciting time in the gemstone industry in our lifetimes.
		Tanzanite also has many of the same abilities as that of the blue Sapphire, in that it dispels stress, improves communications and is a mood elevator.
		Tanzanites that are more blue rather than purple tend to be more expensive, more valuable and rarer because the crystals tend to form with the blue color axis oriented along the width of the crystal instead of the length.
	www.penoir.com /stones/Tanz.html (491 words)

	Christian Bernard tanzanite jewelry and designs (Site not responding. Last check: 2007-10-22)
		While many gemstones are found throughout the world, Tanzanite is mined in only one corner of the earth, in the Merelani Hills of Tanzania, Africa, its namesake.
		Tanzanite is usually heated to 752 to 932 degrees Fahrenheit to permanently draw out its exotic bluish-purple color.
		Tanzanite crystals show either purple, blue or slate-gray pleochroism, depending on the angle from which they are viewed.
	www.christian-bernard.com /jewelry/tanzanit.htm (323 words)

	YourGemologist: Study of the Gemstones: Tanzanite
		Tanzanite is a very rare stone not only for its color, but also because there is only one place in the world where tanzanite is commercially mined.
		And appraising a fine tanzanite in a larger size requires someone who is experienced in the current tanzanite market, and someone who is well experienced in the grading of tanzanite quality.
		Few retail jewelers handle enough tanzanites in the course of a year to be well enough experienced to be able to properly grade and value a tanzanite.
	www.yourgemologist.com /tanzanite.html (675 words)

	Tanzanite Buying Guide
		Tanzanite occurs in colors of gray, brown, violet, blue, reddish-purple, and tints of green.
		Tanzanite is the name given to the rich blue-violet variety of the epidote-group mineral, zoisite.
		Tanzanite is extremely light sensitive, with incandescent lighting tending to shift its color to the violet side.
	www.palagems.com /tanzanite_bancroft.htm (1695 words)

	Jewellery Spotlight: Tanzanite (Site not responding. Last check: 2007-10-22)
		Tanzanite, also known as zoisite, is a gorgeous gemstone.
		Tanzanites should be cleaned with warm, soapy water and a soft bristle brush.
		Since it is a delicate stone, tanzanite should not be cleaned in an ultrasonic jewellery cleaner or exposed to sudden temperature changes.
	www.pineglen.com /tanzan.htm (94 words)

	Tanzanite Gemstone Information (Site not responding. Last check: 2007-10-22)
		Tanzanites with a color that is more blue than purple tend to be more expensive because the crystals tend to form with the blue color axis oriented along the width of the crystal instead of the length.
		Tanzanite jewelry is a little more delicate than other gemstone jewelry and should not be set in a ring that will be worn during strenuous activity.
		Tanzanite is available in a variety of shapes and sometimes in large sizes that are perfect for an important necklace.
	www.addmorecolortoyourlife.com /gemstones/tanzanite.asp (507 words)

	Mondera - Learn - The ABCs of Tanzanite
		Tanzanite, a relative newcomer to the market, may lack in rich gem legend and lore, but it has rapidly won the public's favor since its discovery some 30 years ago.
		Tanzanite was named after its country of origin by Henry Platt, vice president of Tiffany & Co. in New York, one of the world's most influential jewelers who began an aggressive marketing campaign to introduce tanzanite to the public in the 1980s.
		Tanzanite is a velvety-blue to purple variety of the mineral zoisite, a silicate of calcium and aluminum.
	www.mondera.com /learn/abctanzanite.asp (464 words)

	GemSuite.com \| Gemstones Varieties > Tanzanite (Site not responding. Last check: 2007-10-22)
		Tanzanite values increase with the saturation of the color, and the deep blue and deep violet blue stones are the most treasured.
		Tanzanite is somewhat more delicate than many gemstones and jewelry settings exposing the stone to frequent impact should be avoided.
		All Tanzanite is heated to transform this grayish or brownish variety of the mineral Zoisite to the remarkable lavender and blue colors of gemstone Tanzanite.
	www.gemsuite.com /gemstones/tanzanite.html (251 words)

	Tanzanite
		While many gemstones are found throughout the world, Tanzanite is mined in only one corner of the earth...Tanzania, Africa, its namesake.
		Tanzanite is heated to permanently draw out its exotic bluish-purple color.
		Care should be taken to protect Tanzanite from knocks, pressure and extreme temperature changes.
	www.devlinjewelry.com /tanzanite.htm (217 words)

	Tanzanite
		With hardness between 6 and 7 on the Moh’s scale, tanzanite is quite fragile, and for this reason, ultrasonic should never be used to clean this precious gem stone.
		In its early discovery, tanzanite was only available in small stones; however, today, larger stones have been made available, providing greater variety to the gemstone market.
		Tanzanite, the birthstone, is a gift given on the birth of a child.
	www.generousgems.com /tanzanite.html (846 words)

	Thaigem.com – Tanzanite, Tanzanite Gems, Tanzanite Gem Stone, Tanzanite Wholesale
		With vast deposits in the northern part of the country near the Merelani hills, Tanzania is the primary commercial source of tanzanite.
		With Tanzanite’s ongoing popularity even these small deposits are now being mined and have even been the source of armed disputes.
		Tanzanite will display the most blue under daylight, while the violet shade will be more apparent under incandescent light.
	www.thaigem.com /dis_tanzanite.asp (415 words)

	[No title] (Site not responding. Last check: 2007-10-22)
		Tanzanite is the ultimate prize of a gem safari.
		quality of a tanzanite is found in the depth and richness of the stone's mix of colors.
		All tanzanite are heated on a natural fire upon cutting the stones.
	members.lycos.co.uk /brightminerals/photoalbum.html (752 words)

	Tanzanite rough crystal specimens
		Tanzanite is typically heated to a temperature of 500 degrees fahrenheit, to bring out its rich coloration.
		The availabilty of Tanzanite specimens is very limited, and this crystal is coveted by serious collectors.
		These Tanzanites below are higher grade specimens, very rare, and quite expensive for their diminutive size.
	www.bestcrystals.com /tanzanite.htm (233 words)

	Information on Tanzanite - Tanzanite Jeweler & Dealer
		Tanzania is the primary source of Tanzanite as tanzanite is not found anywhere else on earth.
		Tanzanite is also known to uplift the spirit and open the heart.
		The blue and purple hues of tanzanite are associated with generosity and friendship.
	www.e-tanzanite.com /Tanzanite-faq.htm (648 words)

	Tanzanite (Site not responding. Last check: 2007-10-22)
		Tanzanite is the violetish purple-blue variety of zoisite.
		Virtually all tanzanite is produced by heating brown zoisite.
		Although, not a traditional birthstone, tanzanite is designated for the 24th wedding anniversary.
	www.tavernays.com /tanzanite.html (81 words)

	Tanzanite
		Tanzanite in bead form is usually tiny and of translucent quality.
		A beautiful large graduated strand of Tanzanite of intense color (larger beads are more intensely colored than smaller ones) measuring 5.45x7.5 mm to 7.7x10 mm, 84 pcs., 137 carats.
		Although it may not be very obvious in the photo, these beads are actually much more transparent than the usual ones you find in the market (although not crystal clear like faceted gemstones for settings but then this price is for a whopping 137 carats!).
	www.migem.com /Categories/Tanzanite/tanzanite.htm (315 words)

	Tanzanite Ring. Free Shipping. Unique Tanzanite Jewelry
		Tanzanite: Named for Tanzania, the country where the gemstone was first mined in 1967, tanzanite is a relative newcomer to the gemstone kingdom.
		Virtually every tanzanite is heated to permanently change its color from orange-brown to the spectacular violet-blue color for which this gemstone is known.
		Tanzanite is a relatively soft stone, so if you plan to wear your piece of jewelry a lot, select a piece in which the stone is protected (with a bezel or semi-bezel) or doesn't sit too high off the finger.
	www.myjewelrysource.com /tanzanite_ring_rings.htm (386 words)

	www.mineweb.net \| sections \| gems Large exploration area could uncover more tanzanite (Site not responding. Last check: 2007-10-22)
		So while Tanzanite One says it has an indicated resource of 60 to 80 million carats and while marketing campaigns say there is only a decade or so of supply left, the truth is that there is no exact figure.
		Tanzanite is mined from a single source near Mount Kilimanjaro in Northern Tanzania.
		Tanzanite One directors own about 25 percent in the company, and a sell down could help put more shares onto the market.
	www.mineweb.net /sections/gems/413744.htm (758 words)

	About Tanzanite - Jewelry Television™
		The discovery by accident of the tanzanite version, in the late 1960’s was a great surprise in Tanzania Africa, where it was first thought to be sapphire crystals.
		The name Tanzanite was coined by Tiffany who had first and exclusive rights to the pretty blue violet mineral for many years.
		Tanzanite has naturally occurring shades of blue, green, yellow, pink, brown and khaki but virtually all gemstone quality crystals are heat treated to produce the highly valued shades of sapphire blue, amethyst and blue violet.
	www.jewelrytelevision.com /about_Tanzanite (226 words)

	Tanzanites from Gemfix - American cut Tanzanite at discount prices
		Tanzanite has been adopted as a December birthstone by the American Gem Trade Association and shares its last-month-of-the-year membership with turquoise and zircon.
		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 and Co., which introduced tanzanite to the world in 1968, named it after its East African birthplace....Depending on whether it is cut to emphasize its blue or violet color component, tanzanite can resemble the finest royal-blue sapphire or hint at amethyst.
	www.gemfix.com /tanzanite1.html (482 words)

	tanzanite (Site not responding. Last check: 2007-10-22)
		The gem variety, tanzanite, is a very rare gemstone as there is only one place it has ever been found.
		Tanzanite is a fairly high valued gemstone and falls in a class just below the three big colored stones, emerald, ruby and sapphire (which it resembles).
		Tanzanite can be heat treated to enhance its color and remove any yellow or brown overtones.
	www.theimage.com /gemstone/tanzanite/tanzanite.html (149 words)

Try your search on: Qwika (all wikis)