14K White Gold .45ctw Tanzanite Oval Stud Earrings
14K white gold basket stud earring settings showcase the brilliant and vibrant violet blue coloring of two matching oval tanzanites with a combined .45 carat total weight. The perfect color choice to add to your earring collection. Wear comfortably with the security of locking backs as you start your day and transition to evening attire.
Tanzanite is only found in Tanzania, in a very small mining area near the Merelani Hills. Tanzanite is noted for its remarkably strong trichronism, appearing alternately blue, violet and burgundy depending on crystal orientation. Tanzanite can also appear differently when viewed under different lighting conditions. The blues appear more evident when subjected to fluoresent light and the violet hues can be seen readily when viewed under incandescent illumination. In its rough state tanzanite is colored a reddish brown to clear, and it requires heat treatment to remove the brownish "veil" and bring out the blue violet of the stone.
The gemstone was given the name 'tanzanite' by Tiffany and Company after Tanzania, the country in which it was discovered. The scientific name of "blue-violet zoisite" was not thought to be consumer friendly enough by Tiffany's marketing department, who introduced it to the market in 1968. In 2002, the American Gem TGrade Association chose tanzanite as a December birthstone, the first change to their birthstone list since 1912.
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