Do Tanzanite Have Inclusions?

Much of the tanzanite sold for jewelry has inclusions that can be seen only under magnification, so any eye-visible inclusions cause a drop in value. Also, any inclusions that might pose durability problems, such as fractures, lower tanzanite value greatly.

What are inclusions in tanzanite?

In general terms, the cleaner, less included the Tanzanite the finer the quality. The finest stones are flawless whilst lower grade stones will contain various natural inclusions such as needles, feathers, and included crystals. The more eye visible they are the lesser the grade.

How can you tell real tanzanite?

Look at the stone in both natural and incandescent light from a bulb. True tanzanite is trichroic and displays three colors. The stone should show blue with a tinge of violet in natural light, but should display flashes of red and pink when moved around in incandescent light. Look through the side of the stone.