This desktop polariscope is very useful in identifying Moissanite, detecting strain diamonds and other gems and separating synthetic amethyst from genuine. Have a built-in light source specially designed for analysing and viewing if a gemstone is doubly (anisotropic) or singly (isotropic) refractive. Consists of two polarised filters one on the top (analyzer) and one on the bottom (polarizer) of the instrument.
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