The "discoloration" of the special optical effects of gemstones
Phenomenon: Gems appear different colors under daylight and incandescent (or candlelight). Causes: Daylight and incandescent lighting, all appear to be "white", in fact, the composition of the wavelength is different, the peaks are different. Different wavelengths produce different selective absorptions. Because the human eye has different sensitivities to light, it is very sensitive to green light. Thus slightly different residual light is interpreted by the eyes and brain into very different "colors." 1. Alexander Stone Also known as the golden green stone, it is the five famous names in daylight or daylight. Its color usually shows grayish green, yellowish green to blue-green; but under incandescent light, it usually looks brown or purple. Commonly known as "the emerald of the day, the ruby ​​at night." The color changing variety of gold beryl. 2. Color changing tourmaline The color-changing tourmaline is there, but it is not a two-color or multi-color tourmaline. It is dark green under white light and red and yellow under yellow light. 3. Color changing hard boehmite 4. Color changing garnet 5. Color changing zircon Rayon Fabric Online,Viscose Rayon Fabric,Bamboo Rayon Fabric,Cotton Rayon Fabric Shaoxing City Laiteng Imp.&Exp Co.,Ltd , https://www.laiteng-tex.com
