The main component of moissanite is SiC, and natural mullite is extremely rare. Moissanites on the market are all synthetic single-crystal SiC. After being put into a self-made gem growth furnace, SiC powders slowly turn into raw materials of moissanite with physical vapor transportation (PVT) method at a high temperature of more than 2,200 degrees. 

Moissanite has extremely high hardness second only to diamond. After careful selection, design, and processing by designers, it is made into dazzling moissanite diamonds, which are used in various common jewelry. The charm of moissanite diamond lies in its color index higher than diamond. Its fiery flicker in different environments is higher than diamond, and has seven colors. Moreover, the price of moissanite diamond is much lower than that of diamond, making it a good choice.