NITE GEMS & JEWELERY LTD
True Love is almost as rare as TANZANITES Msasani Slipway, P.O.Box 11754, Dar es Salaam, Tanzania Tel: +255 (0) 22 2601207, Mobile: 0713 297387/ 0784 297387 E-Mail: email@example.com TANZANITE.AAA
TANZANITE Tanzanite was unknown till 1967. It was discovered on the slopes of Kilimanjaro at the foot of the Mererani Hills, Tanzania-the only place in the world to mine Tanzanite. Tanzanite is the name of the blue Variety of the mineral Zoisite and it is believed to be 600 million years old.
COLOUR GRADING Tanzanite can show a dominance of intensity of either Blue or Violet combination thereof. When colour grading the dominant colour (HUE) of the stone will be mentioned last e.g. Blue-Violet (Violet being the dominant colour) and Violet-Blue (Blue being the dominant colour). There are five caegories of saturation the strength of the (hue). Vivid being the darkest colour on the grading scale and pale being the lightest.