Stone.

Stone is a Stone of wisdom, which can improve spirituality, increase creative thinking, and predictive and analytical abilities. It has a luster like glass, has a variety of colors, and can be transparent and colorless, so it has the title of "Rainbow Gemstone". The main component of Stone is calcium fluoride, which is an important mineral for extracting fluorine. It is mostly green or purple, and it will emit blue-green fluorescence under ultraviolet or cathode ray irradiation. Stone is also known as "soft crystal" because its appearance looks like crystal, but its hardness is lower than that of crystal. For a long time, Stone has been excluded from the ranks of traditional Gemstone due to its soft quality, brittleness, weak luster and fire, and is mostly used for viewing, collection and display. Stone corresponds to the brow chakra, the center of human spiritual power and higher intuition, through the power of the brow chakra, Stone can receive and guide. As the human body accumulates negative energy, one of the main functions of Stone is to help purify the human body's aura, remove impurities and balance the chakras; and Stone also has the effect of aura protection, resisting the invasion of external negative energy, making people uncomfortable It is easy to be disturbed by the external aura while working and reading. Wearing Stone can screen out cluttered thoughts, keep a clear mind, and help improve effective learning and work efficiency.