Tanzanite stone showing trichroic color under different lighting Tanzanite engagement rings offer a level of beauty that few other stones can match. This is because the gem comes from only one tiny place on Earth. Therefore, it is 1,000 times rarer than a diamond. By choosing this blue-violet gem, you secure a rare treasure that may soon disappear from the mines. In this article, we will see why this rare beauty is the best modern choice for your proposal. Magical Color of T