Tanzanite Special Design Ring 19 crt

Tanzanite is truly an extraordinary gemstone. Tanzanite Custom Design Ring 19 crtIt is so named because it is mined only in Tanzania. The pink light surrounding its blue color, revealed only when it shines, makes this stone special. It was formed millions of years ago among volcanic rocks formed under tremendous pressure and heat in the ancient world, where tectonic movement occurred at dramatic speeds. Tanzanite completed its formation with Mount Kilimanjaro, Africa's highest peak, but humanity remained unaware of this stone until 1967. It came to light when a Masai shepherd discovered this blue crystal in the foothills of Kilimanjaro. Tanzanite is the blue member of the zoisite family. Composed of calcium aluminum silicate, tanzanite has a hardness of 6.5 on the Mohs scale. This means that tanzanite used in jewelry is not very durable, and care must be taken when handling it. Tanzanite Custom Design Ring 19 crt