Product | Unfired Tanzanite, Tanzanite quality | 100% unfired, untreated tanzanite (also known as tanzanite). At the end of the last century, the movie "Titanic" brought global attention to this tanzanite, which looks very much like sapphire. Everyone also learned that in addition to having the color of sapphire, the single production area - Tanzania in Africa is also famous for its sapphire-like color. This extraordinary gemstone lends the name of the country to the name Tanzanite, which shows that the charm of tanzanite can be said to be overwhelming. In fact, the deep blue color of tanzanite is produced by heating (burning). The raw ore of tanzanite can be said to be of various colors. Heating (burning) can eliminate the essential pleochroism and then transform it into a stable color. The dichroism---common blue and purple. This kind of burnt tanzanite has basically been maintained for nearly a hundred years. However, when the demand for unprocessed gemstones that has been popularized in the gem industry in recent years reached its peak during the epidemic, it also means that a large number of consumers indeed want to buy unprocessed gemstones. Before this, no one wanted to look at tanzanite without burning it, unless it was very blue in color. At first, people thought that unburned tanzanite would not be able to show its deep blue alluring color, and the market would voluntarily eliminate unburned tanzanite. Unexpectedly, the unburned tanzanite presents a variety of broken colors, which are very tonal but have the true color of "zoisite" (zoisite is the geological name of tanzanite), and the impression The appearance of the tanzanite is so different that it is almost a different kind of gemstone! Unburned tanzanite has various colors and is extremely sparkling. Compared with burnt dark blue tanzanite, unburned tanzanite has more of its own character. This is a very strange and fashionable gemstone. When you wear it, your friends around you can’t figure out which gemstone it is. Tanzanite can be burned or not burned, and its Mohs hardness is 6.5. This hardness is suitable for use and is less likely to be scratched | VS1 - how clean it is to the naked eye. [Referring to the GIA standards used for clarity, after magnifying this gemstone 10 times, it is still difficult to fully see some inclusions in the gemstone] Volume｜1.07 carat shape｜6.0 x 4.0 mm｜Designer octagonal turning color ｜Blue, green, yellow and other colors