MSN (stylized as msn) is a web portal and related collection of Internet services and apps for Windows and mobile devices, provided by Microsoft and launched on August 24, 1995, the same release date as Windows 95.
Confidence votes 20. Violet has the highest frequency in the visible spectrum. Red has the lowest. Violet has a frequency of about 790 terahertz and a wavelength of about 380 nanometers. Red has a frequency of about 400 terahertz and a wavelength of about 760 nanometers.
One extremely rare color type, the orange-pink corundum, is known as the Padparadscha sapphire. The most valued sapphire color, however, is that deep dark blue that is the well-known September birthstone color. Sapphires are mined all over the world, from Australia, Sri Lanka, Kenya, China, and the United States.