I am currently the Digital Coach for the City of London and the West, within the London and Midlands Region. My role in a nutshell is to coach our leaders on sustainable banking whilst making the lives our of customers easier.
(There is also genuine color-change sapphire which mimics alexandrite, as well as color-change garnet that can be a real fooler.). The first thing to do is check the refractive index of the stone, since each material has unique optical properties.
Computer Science. Sharing its name with the gemstone (which is also the September birthstone), sapphire is a shade of blue. Sapphires come in other colors but the color name sapphire refers to blue. In reality, blue sapphire gemstones come in many shades of blue from light to dark. However, the color sapphire usually refers to a medium cornflower blue and darker, but still bright, blue hues.