Big 234ct Interesting Tanzanite CrystalThis amazing crystal has a outstanding blue violet color and a very interesting crystal growth. It almost gets hollow towards the middle as it grew and came back together. While it is not gem grade, it is very translucent and breathtaking piece that will look great in an collection! When you watch the video when its in hand, keep in mind this is how it looks slightly back lit and with a light that shows more of the blue. The image in hand outside is