The history of this former sapphire substitute. A brief introduction to tanzanite.
		Deep blue, the most valuable shade of tanzanite, is rare in stones under two carats.			Print out this page and hit the stores! The most important facts for examining and choosing tanzanite on on handy sheet.
		Tanzanite is the most transparent and free from flaws of all gemstones.
		Beware of large "windows" on to of the stone and off center "culets", (bottom points). These indicate a low quality stone.				Since tanzanite is a "three-colored" gemstone, you can usually tell real from fake by spotting the colors present.
		With so many price-per-carat variables, always compare stones of lik size and shape.				Almost all tanzanite is gray or brown when mined. Simple heat treatment creates beautiful, transparent blues.
		Should you be wary of a tanzanite ring with a "2 total weight" price tag?
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