Function | Detect the absorption of spectra | essential tool in examining colored gemstones. | useful in identifying moissanite, detecting strain diamonds and other gems and separating synthetic amethyst from genuine | for jewelers, mechanics, machinists, stamp & coin collectors, arts & crafts, photographers, hobbyists, watchmaker and other fields that require a micro view of the target object. | for jewelers, mechanics, machinists, stamp & coin collectors, arts & crafts, photographers, hobbyists, watchmaker and other fields that require a micro view of the target object. |